xref: /redis-3.2.3/deps/jemalloc/configure.ac (revision 5268379e)
1dnl Process this file with autoconf to produce a configure script.
2AC_INIT([Makefile.in])
3
4dnl ============================================================================
5dnl Custom macro definitions.
6
7dnl JE_CFLAGS_APPEND(cflag)
8AC_DEFUN([JE_CFLAGS_APPEND],
9[
10AC_MSG_CHECKING([whether compiler supports $1])
11TCFLAGS="${CFLAGS}"
12if test "x${CFLAGS}" = "x" ; then
13  CFLAGS="$1"
14else
15  CFLAGS="${CFLAGS} $1"
16fi
17AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
18[[
19]], [[
20    return 0;
21]])],
22              [je_cv_cflags_appended=$1]
23              AC_MSG_RESULT([yes]),
24              [je_cv_cflags_appended=]
25              AC_MSG_RESULT([no])
26              [CFLAGS="${TCFLAGS}"]
27)
28])
29
30dnl JE_COMPILABLE(label, hcode, mcode, rvar)
31dnl
32dnl Use AC_LINK_IFELSE() rather than AC_COMPILE_IFELSE() so that linker errors
33dnl cause failure.
34AC_DEFUN([JE_COMPILABLE],
35[
36AC_CACHE_CHECK([whether $1 is compilable],
37               [$4],
38               [AC_LINK_IFELSE([AC_LANG_PROGRAM([$2],
39                                                [$3])],
40                               [$4=yes],
41                               [$4=no])])
42])
43
44dnl ============================================================================
45
46CONFIG=`echo ${ac_configure_args} | sed -e 's#'"'"'\([^ ]*\)'"'"'#\1#g'`
47AC_SUBST([CONFIG])
48
49dnl Library revision.
50rev=2
51AC_SUBST([rev])
52
53srcroot=$srcdir
54if test "x${srcroot}" = "x." ; then
55  srcroot=""
56else
57  srcroot="${srcroot}/"
58fi
59AC_SUBST([srcroot])
60abs_srcroot="`cd \"${srcdir}\"; pwd`/"
61AC_SUBST([abs_srcroot])
62
63objroot=""
64AC_SUBST([objroot])
65abs_objroot="`pwd`/"
66AC_SUBST([abs_objroot])
67
68dnl Munge install path variables.
69if test "x$prefix" = "xNONE" ; then
70  prefix="/usr/local"
71fi
72if test "x$exec_prefix" = "xNONE" ; then
73  exec_prefix=$prefix
74fi
75PREFIX=$prefix
76AC_SUBST([PREFIX])
77BINDIR=`eval echo $bindir`
78BINDIR=`eval echo $BINDIR`
79AC_SUBST([BINDIR])
80INCLUDEDIR=`eval echo $includedir`
81INCLUDEDIR=`eval echo $INCLUDEDIR`
82AC_SUBST([INCLUDEDIR])
83LIBDIR=`eval echo $libdir`
84LIBDIR=`eval echo $LIBDIR`
85AC_SUBST([LIBDIR])
86DATADIR=`eval echo $datadir`
87DATADIR=`eval echo $DATADIR`
88AC_SUBST([DATADIR])
89MANDIR=`eval echo $mandir`
90MANDIR=`eval echo $MANDIR`
91AC_SUBST([MANDIR])
92
93dnl Support for building documentation.
94AC_PATH_PROG([XSLTPROC], [xsltproc], [false], [$PATH])
95if test -d "/usr/share/xml/docbook/stylesheet/docbook-xsl" ; then
96  DEFAULT_XSLROOT="/usr/share/xml/docbook/stylesheet/docbook-xsl"
97elif test -d "/usr/share/sgml/docbook/xsl-stylesheets" ; then
98  DEFAULT_XSLROOT="/usr/share/sgml/docbook/xsl-stylesheets"
99else
100  dnl Documentation building will fail if this default gets used.
101  DEFAULT_XSLROOT=""
102fi
103AC_ARG_WITH([xslroot],
104  [AS_HELP_STRING([--with-xslroot=<path>], [XSL stylesheet root path])], [
105if test "x$with_xslroot" = "xno" ; then
106  XSLROOT="${DEFAULT_XSLROOT}"
107else
108  XSLROOT="${with_xslroot}"
109fi
110],
111  XSLROOT="${DEFAULT_XSLROOT}"
112)
113AC_SUBST([XSLROOT])
114
115dnl If CFLAGS isn't defined, set CFLAGS to something reasonable.  Otherwise,
116dnl just prevent autoconf from molesting CFLAGS.
117CFLAGS=$CFLAGS
118AC_PROG_CC
119if test "x$GCC" != "xyes" ; then
120  AC_CACHE_CHECK([whether compiler is MSVC],
121                 [je_cv_msvc],
122                 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
123                                                     [
124#ifndef _MSC_VER
125  int fail[-1];
126#endif
127])],
128                               [je_cv_msvc=yes],
129                               [je_cv_msvc=no])])
130fi
131
132if test "x$CFLAGS" = "x" ; then
133  no_CFLAGS="yes"
134  if test "x$GCC" = "xyes" ; then
135    JE_CFLAGS_APPEND([-std=gnu99])
136    if test "x$je_cv_cflags_appended" = "x-std=gnu99" ; then
137      AC_DEFINE_UNQUOTED([JEMALLOC_HAS_RESTRICT])
138    fi
139    JE_CFLAGS_APPEND([-Wall])
140    JE_CFLAGS_APPEND([-Werror=declaration-after-statement])
141    JE_CFLAGS_APPEND([-pipe])
142    JE_CFLAGS_APPEND([-g3])
143  elif test "x$je_cv_msvc" = "xyes" ; then
144    CC="$CC -nologo"
145    JE_CFLAGS_APPEND([-Zi])
146    JE_CFLAGS_APPEND([-MT])
147    JE_CFLAGS_APPEND([-W3])
148    JE_CFLAGS_APPEND([-FS])
149    CPPFLAGS="$CPPFLAGS -I${srcdir}/include/msvc_compat"
150  fi
151fi
152dnl Append EXTRA_CFLAGS to CFLAGS, if defined.
153if test "x$EXTRA_CFLAGS" != "x" ; then
154  JE_CFLAGS_APPEND([$EXTRA_CFLAGS])
155fi
156AC_PROG_CPP
157
158AC_C_BIGENDIAN([ac_cv_big_endian=1], [ac_cv_big_endian=0])
159if test "x${ac_cv_big_endian}" = "x1" ; then
160  AC_DEFINE_UNQUOTED([JEMALLOC_BIG_ENDIAN], [ ])
161fi
162
163if test "x${je_cv_msvc}" = "xyes" -a "x${ac_cv_header_inttypes_h}" = "xno"; then
164  CPPFLAGS="$CPPFLAGS -I${srcdir}/include/msvc_compat/C99"
165fi
166
167AC_CHECK_SIZEOF([void *])
168if test "x${ac_cv_sizeof_void_p}" = "x8" ; then
169  LG_SIZEOF_PTR=3
170elif test "x${ac_cv_sizeof_void_p}" = "x4" ; then
171  LG_SIZEOF_PTR=2
172else
173  AC_MSG_ERROR([Unsupported pointer size: ${ac_cv_sizeof_void_p}])
174fi
175AC_DEFINE_UNQUOTED([LG_SIZEOF_PTR], [$LG_SIZEOF_PTR])
176
177AC_CHECK_SIZEOF([int])
178if test "x${ac_cv_sizeof_int}" = "x8" ; then
179  LG_SIZEOF_INT=3
180elif test "x${ac_cv_sizeof_int}" = "x4" ; then
181  LG_SIZEOF_INT=2
182else
183  AC_MSG_ERROR([Unsupported int size: ${ac_cv_sizeof_int}])
184fi
185AC_DEFINE_UNQUOTED([LG_SIZEOF_INT], [$LG_SIZEOF_INT])
186
187AC_CHECK_SIZEOF([long])
188if test "x${ac_cv_sizeof_long}" = "x8" ; then
189  LG_SIZEOF_LONG=3
190elif test "x${ac_cv_sizeof_long}" = "x4" ; then
191  LG_SIZEOF_LONG=2
192else
193  AC_MSG_ERROR([Unsupported long size: ${ac_cv_sizeof_long}])
194fi
195AC_DEFINE_UNQUOTED([LG_SIZEOF_LONG], [$LG_SIZEOF_LONG])
196
197AC_CHECK_SIZEOF([intmax_t])
198if test "x${ac_cv_sizeof_intmax_t}" = "x16" ; then
199  LG_SIZEOF_INTMAX_T=4
200elif test "x${ac_cv_sizeof_intmax_t}" = "x8" ; then
201  LG_SIZEOF_INTMAX_T=3
202elif test "x${ac_cv_sizeof_intmax_t}" = "x4" ; then
203  LG_SIZEOF_INTMAX_T=2
204else
205  AC_MSG_ERROR([Unsupported intmax_t size: ${ac_cv_sizeof_intmax_t}])
206fi
207AC_DEFINE_UNQUOTED([LG_SIZEOF_INTMAX_T], [$LG_SIZEOF_INTMAX_T])
208
209AC_CANONICAL_HOST
210dnl CPU-specific settings.
211CPU_SPINWAIT=""
212case "${host_cpu}" in
213  i686|x86_64)
214	AC_CACHE_VAL([je_cv_pause],
215	  [JE_COMPILABLE([pause instruction], [],
216	                [[__asm__ volatile("pause"); return 0;]],
217	                [je_cv_pause])])
218	if test "x${je_cv_pause}" = "xyes" ; then
219	    CPU_SPINWAIT='__asm__ volatile("pause")'
220	fi
221	;;
222  powerpc)
223	AC_DEFINE_UNQUOTED([HAVE_ALTIVEC], [ ])
224	;;
225  *)
226	;;
227esac
228AC_DEFINE_UNQUOTED([CPU_SPINWAIT], [$CPU_SPINWAIT])
229
230LD_PRELOAD_VAR="LD_PRELOAD"
231so="so"
232importlib="${so}"
233o="$ac_objext"
234a="a"
235exe="$ac_exeext"
236libprefix="lib"
237DSO_LDFLAGS='-shared -Wl,-soname,$(@F)'
238RPATH='-Wl,-rpath,$(1)'
239SOREV="${so}.${rev}"
240PIC_CFLAGS='-fPIC -DPIC'
241CTARGET='-o $@'
242LDTARGET='-o $@'
243EXTRA_LDFLAGS=
244ARFLAGS='crus'
245AROUT=' $@'
246CC_MM=1
247
248AN_MAKEVAR([AR], [AC_PROG_AR])
249AN_PROGRAM([ar], [AC_PROG_AR])
250AC_DEFUN([AC_PROG_AR], [AC_CHECK_TOOL(AR, ar, :)])
251AC_PROG_AR
252
253dnl Platform-specific settings.  abi and RPATH can probably be determined
254dnl programmatically, but doing so is error-prone, which makes it generally
255dnl not worth the trouble.
256dnl
257dnl Define cpp macros in CPPFLAGS, rather than doing AC_DEFINE(macro), since the
258dnl definitions need to be seen before any headers are included, which is a pain
259dnl to make happen otherwise.
260default_munmap="1"
261maps_coalesce="1"
262case "${host}" in
263  *-*-darwin* | *-*-ios*)
264	CFLAGS="$CFLAGS"
265	abi="macho"
266	AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ])
267	RPATH=""
268	LD_PRELOAD_VAR="DYLD_INSERT_LIBRARIES"
269	so="dylib"
270	importlib="${so}"
271	force_tls="0"
272	DSO_LDFLAGS='-shared -Wl,-install_name,$(LIBDIR)/$(@F)'
273	SOREV="${rev}.${so}"
274	sbrk_deprecated="1"
275	;;
276  *-*-freebsd*)
277	CFLAGS="$CFLAGS"
278	abi="elf"
279	AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ])
280	force_lazy_lock="1"
281	;;
282  *-*-dragonfly*)
283	CFLAGS="$CFLAGS"
284	abi="elf"
285	AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ])
286	;;
287  *-*-openbsd*)
288	CFLAGS="$CFLAGS"
289	abi="elf"
290	AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ])
291	force_tls="0"
292	;;
293  *-*-bitrig*)
294	CFLAGS="$CFLAGS"
295	abi="elf"
296	AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ])
297	;;
298  *-*-linux*)
299	CFLAGS="$CFLAGS"
300	CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
301	abi="elf"
302	AC_DEFINE([JEMALLOC_HAS_ALLOCA_H])
303	AC_DEFINE([JEMALLOC_PURGE_MADVISE_DONTNEED], [ ])
304	AC_DEFINE([JEMALLOC_THREADED_INIT], [ ])
305	AC_DEFINE([JEMALLOC_USE_CXX_THROW], [ ])
306	default_munmap="0"
307	;;
308  *-*-netbsd*)
309	AC_MSG_CHECKING([ABI])
310        AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
311[[#ifdef __ELF__
312/* ELF */
313#else
314#error aout
315#endif
316]])],
317                          [CFLAGS="$CFLAGS"; abi="elf"],
318                          [abi="aout"])
319	AC_MSG_RESULT([$abi])
320	AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ])
321	;;
322  *-*-solaris2*)
323	CFLAGS="$CFLAGS"
324	abi="elf"
325	AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ])
326	RPATH='-Wl,-R,$(1)'
327	dnl Solaris needs this for sigwait().
328	CPPFLAGS="$CPPFLAGS -D_POSIX_PTHREAD_SEMANTICS"
329	LIBS="$LIBS -lposix4 -lsocket -lnsl"
330	;;
331  *-ibm-aix*)
332	if "$LG_SIZEOF_PTR" = "8"; then
333	  dnl 64bit AIX
334	  LD_PRELOAD_VAR="LDR_PRELOAD64"
335	else
336	  dnl 32bit AIX
337	  LD_PRELOAD_VAR="LDR_PRELOAD"
338	fi
339	abi="xcoff"
340	;;
341  *-*-mingw* | *-*-cygwin*)
342	abi="pecoff"
343	force_tls="0"
344	force_lazy_lock="1"
345	maps_coalesce="0"
346	RPATH=""
347	so="dll"
348	if test "x$je_cv_msvc" = "xyes" ; then
349	  importlib="lib"
350	  DSO_LDFLAGS="-LD"
351	  EXTRA_LDFLAGS="-link -DEBUG"
352	  CTARGET='-Fo$@'
353	  LDTARGET='-Fe$@'
354	  AR='lib'
355	  ARFLAGS='-nologo -out:'
356	  AROUT='$@'
357	  CC_MM=
358        else
359	  importlib="${so}"
360	  DSO_LDFLAGS="-shared"
361	fi
362	a="lib"
363	libprefix=""
364	SOREV="${so}"
365	PIC_CFLAGS=""
366	;;
367  *)
368	AC_MSG_RESULT([Unsupported operating system: ${host}])
369	abi="elf"
370	;;
371esac
372
373JEMALLOC_USABLE_SIZE_CONST=const
374AC_CHECK_HEADERS([malloc.h], [
375  AC_MSG_CHECKING([whether malloc_usable_size definition can use const argument])
376  AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
377    [#include <malloc.h>
378     #include <stddef.h>
379    size_t malloc_usable_size(const void *ptr);
380    ],
381    [])],[
382                AC_MSG_RESULT([yes])
383         ],[
384                JEMALLOC_USABLE_SIZE_CONST=
385                AC_MSG_RESULT([no])
386         ])
387])
388AC_DEFINE_UNQUOTED([JEMALLOC_USABLE_SIZE_CONST], [$JEMALLOC_USABLE_SIZE_CONST])
389AC_SUBST([abi])
390AC_SUBST([RPATH])
391AC_SUBST([LD_PRELOAD_VAR])
392AC_SUBST([so])
393AC_SUBST([importlib])
394AC_SUBST([o])
395AC_SUBST([a])
396AC_SUBST([exe])
397AC_SUBST([libprefix])
398AC_SUBST([DSO_LDFLAGS])
399AC_SUBST([EXTRA_LDFLAGS])
400AC_SUBST([SOREV])
401AC_SUBST([PIC_CFLAGS])
402AC_SUBST([CTARGET])
403AC_SUBST([LDTARGET])
404AC_SUBST([MKLIB])
405AC_SUBST([ARFLAGS])
406AC_SUBST([AROUT])
407AC_SUBST([CC_MM])
408
409JE_COMPILABLE([__attribute__ syntax],
410              [static __attribute__((unused)) void foo(void){}],
411              [],
412              [je_cv_attribute])
413if test "x${je_cv_attribute}" = "xyes" ; then
414  AC_DEFINE([JEMALLOC_HAVE_ATTR], [ ])
415  if test "x${GCC}" = "xyes" -a "x${abi}" = "xelf"; then
416    JE_CFLAGS_APPEND([-fvisibility=hidden])
417  fi
418fi
419dnl Check for tls_model attribute support (clang 3.0 still lacks support).
420SAVED_CFLAGS="${CFLAGS}"
421JE_CFLAGS_APPEND([-Werror])
422JE_COMPILABLE([tls_model attribute], [],
423              [static __thread int
424               __attribute__((tls_model("initial-exec"), unused)) foo;
425               foo = 0;],
426              [je_cv_tls_model])
427CFLAGS="${SAVED_CFLAGS}"
428if test "x${je_cv_tls_model}" = "xyes" ; then
429  AC_DEFINE([JEMALLOC_TLS_MODEL],
430            [__attribute__((tls_model("initial-exec")))])
431else
432  AC_DEFINE([JEMALLOC_TLS_MODEL], [ ])
433fi
434dnl Check for alloc_size attribute support.
435SAVED_CFLAGS="${CFLAGS}"
436JE_CFLAGS_APPEND([-Werror])
437JE_COMPILABLE([alloc_size attribute], [#include <stdlib.h>],
438              [void *foo(size_t size) __attribute__((alloc_size(1)));],
439              [je_cv_alloc_size])
440CFLAGS="${SAVED_CFLAGS}"
441if test "x${je_cv_alloc_size}" = "xyes" ; then
442  AC_DEFINE([JEMALLOC_HAVE_ATTR_ALLOC_SIZE], [ ])
443fi
444dnl Check for format(gnu_printf, ...) attribute support.
445SAVED_CFLAGS="${CFLAGS}"
446JE_CFLAGS_APPEND([-Werror])
447JE_COMPILABLE([format(gnu_printf, ...) attribute], [#include <stdlib.h>],
448              [void *foo(const char *format, ...) __attribute__((format(gnu_printf, 1, 2)));],
449              [je_cv_format_gnu_printf])
450CFLAGS="${SAVED_CFLAGS}"
451if test "x${je_cv_format_gnu_printf}" = "xyes" ; then
452  AC_DEFINE([JEMALLOC_HAVE_ATTR_FORMAT_GNU_PRINTF], [ ])
453fi
454dnl Check for format(printf, ...) attribute support.
455SAVED_CFLAGS="${CFLAGS}"
456JE_CFLAGS_APPEND([-Werror])
457JE_COMPILABLE([format(printf, ...) attribute], [#include <stdlib.h>],
458              [void *foo(const char *format, ...) __attribute__((format(printf, 1, 2)));],
459              [je_cv_format_printf])
460CFLAGS="${SAVED_CFLAGS}"
461if test "x${je_cv_format_printf}" = "xyes" ; then
462  AC_DEFINE([JEMALLOC_HAVE_ATTR_FORMAT_PRINTF], [ ])
463fi
464
465dnl Support optional additions to rpath.
466AC_ARG_WITH([rpath],
467  [AS_HELP_STRING([--with-rpath=<rpath>], [Colon-separated rpath (ELF systems only)])],
468if test "x$with_rpath" = "xno" ; then
469  RPATH_EXTRA=
470else
471  RPATH_EXTRA="`echo $with_rpath | tr \":\" \" \"`"
472fi,
473  RPATH_EXTRA=
474)
475AC_SUBST([RPATH_EXTRA])
476
477dnl Disable rules that do automatic regeneration of configure output by default.
478AC_ARG_ENABLE([autogen],
479  [AS_HELP_STRING([--enable-autogen], [Automatically regenerate configure output])],
480if test "x$enable_autogen" = "xno" ; then
481  enable_autogen="0"
482else
483  enable_autogen="1"
484fi
485,
486enable_autogen="0"
487)
488AC_SUBST([enable_autogen])
489
490AC_PROG_INSTALL
491AC_PROG_RANLIB
492AC_PATH_PROG([LD], [ld], [false], [$PATH])
493AC_PATH_PROG([AUTOCONF], [autoconf], [false], [$PATH])
494
495public_syms="malloc_conf malloc_message malloc calloc posix_memalign aligned_alloc realloc free mallocx rallocx xallocx sallocx dallocx sdallocx nallocx mallctl mallctlnametomib mallctlbymib malloc_stats_print malloc_usable_size"
496
497dnl Check for allocator-related functions that should be wrapped.
498AC_CHECK_FUNC([memalign],
499	      [AC_DEFINE([JEMALLOC_OVERRIDE_MEMALIGN], [ ])
500	       public_syms="${public_syms} memalign"])
501AC_CHECK_FUNC([valloc],
502	      [AC_DEFINE([JEMALLOC_OVERRIDE_VALLOC], [ ])
503	       public_syms="${public_syms} valloc"])
504
505dnl Do not compute test code coverage by default.
506GCOV_FLAGS=
507AC_ARG_ENABLE([code-coverage],
508  [AS_HELP_STRING([--enable-code-coverage],
509   [Enable code coverage])],
510[if test "x$enable_code_coverage" = "xno" ; then
511  enable_code_coverage="0"
512else
513  enable_code_coverage="1"
514fi
515],
516[enable_code_coverage="0"]
517)
518if test "x$enable_code_coverage" = "x1" ; then
519  deoptimize="no"
520  echo "$CFLAGS $EXTRA_CFLAGS" | grep '\-O' >/dev/null || deoptimize="yes"
521  if test "x${deoptimize}" = "xyes" ; then
522    JE_CFLAGS_APPEND([-O0])
523  fi
524  JE_CFLAGS_APPEND([-fprofile-arcs -ftest-coverage])
525  EXTRA_LDFLAGS="$EXTRA_LDFLAGS -fprofile-arcs -ftest-coverage"
526  AC_DEFINE([JEMALLOC_CODE_COVERAGE], [ ])
527fi
528AC_SUBST([enable_code_coverage])
529
530dnl Perform no name mangling by default.
531AC_ARG_WITH([mangling],
532  [AS_HELP_STRING([--with-mangling=<map>], [Mangle symbols in <map>])],
533  [mangling_map="$with_mangling"], [mangling_map=""])
534
535dnl Do not prefix public APIs by default.
536AC_ARG_WITH([jemalloc_prefix],
537  [AS_HELP_STRING([--with-jemalloc-prefix=<prefix>], [Prefix to prepend to all public APIs])],
538  [JEMALLOC_PREFIX="$with_jemalloc_prefix"],
539  [if test "x$abi" != "xmacho" -a "x$abi" != "xpecoff"; then
540  JEMALLOC_PREFIX=""
541else
542  JEMALLOC_PREFIX="je_"
543fi]
544)
545if test "x$JEMALLOC_PREFIX" != "x" ; then
546  JEMALLOC_CPREFIX=`echo ${JEMALLOC_PREFIX} | tr "a-z" "A-Z"`
547  AC_DEFINE_UNQUOTED([JEMALLOC_PREFIX], ["$JEMALLOC_PREFIX"])
548  AC_DEFINE_UNQUOTED([JEMALLOC_CPREFIX], ["$JEMALLOC_CPREFIX"])
549fi
550AC_SUBST([JEMALLOC_CPREFIX])
551
552AC_ARG_WITH([export],
553  [AS_HELP_STRING([--without-export], [disable exporting jemalloc public APIs])],
554  [if test "x$with_export" = "xno"; then
555  AC_DEFINE([JEMALLOC_EXPORT],[])
556fi]
557)
558
559dnl Mangle library-private APIs.
560AC_ARG_WITH([private_namespace],
561  [AS_HELP_STRING([--with-private-namespace=<prefix>], [Prefix to prepend to all library-private APIs])],
562  [JEMALLOC_PRIVATE_NAMESPACE="${with_private_namespace}je_"],
563  [JEMALLOC_PRIVATE_NAMESPACE="je_"]
564)
565AC_DEFINE_UNQUOTED([JEMALLOC_PRIVATE_NAMESPACE], [$JEMALLOC_PRIVATE_NAMESPACE])
566private_namespace="$JEMALLOC_PRIVATE_NAMESPACE"
567AC_SUBST([private_namespace])
568
569dnl Do not add suffix to installed files by default.
570AC_ARG_WITH([install_suffix],
571  [AS_HELP_STRING([--with-install-suffix=<suffix>], [Suffix to append to all installed files])],
572  [INSTALL_SUFFIX="$with_install_suffix"],
573  [INSTALL_SUFFIX=]
574)
575install_suffix="$INSTALL_SUFFIX"
576AC_SUBST([install_suffix])
577
578dnl Substitute @je_@ in jemalloc_protos.h.in, primarily to make generation of
579dnl jemalloc_protos_jet.h easy.
580je_="je_"
581AC_SUBST([je_])
582
583cfgoutputs_in="Makefile.in"
584cfgoutputs_in="${cfgoutputs_in} jemalloc.pc.in"
585cfgoutputs_in="${cfgoutputs_in} doc/html.xsl.in"
586cfgoutputs_in="${cfgoutputs_in} doc/manpages.xsl.in"
587cfgoutputs_in="${cfgoutputs_in} doc/jemalloc.xml.in"
588cfgoutputs_in="${cfgoutputs_in} include/jemalloc/jemalloc_macros.h.in"
589cfgoutputs_in="${cfgoutputs_in} include/jemalloc/jemalloc_protos.h.in"
590cfgoutputs_in="${cfgoutputs_in} include/jemalloc/jemalloc_typedefs.h.in"
591cfgoutputs_in="${cfgoutputs_in} include/jemalloc/internal/jemalloc_internal.h.in"
592cfgoutputs_in="${cfgoutputs_in} test/test.sh.in"
593cfgoutputs_in="${cfgoutputs_in} test/include/test/jemalloc_test.h.in"
594
595cfgoutputs_out="Makefile"
596cfgoutputs_out="${cfgoutputs_out} jemalloc.pc"
597cfgoutputs_out="${cfgoutputs_out} doc/html.xsl"
598cfgoutputs_out="${cfgoutputs_out} doc/manpages.xsl"
599cfgoutputs_out="${cfgoutputs_out} doc/jemalloc.xml"
600cfgoutputs_out="${cfgoutputs_out} include/jemalloc/jemalloc_macros.h"
601cfgoutputs_out="${cfgoutputs_out} include/jemalloc/jemalloc_protos.h"
602cfgoutputs_out="${cfgoutputs_out} include/jemalloc/jemalloc_typedefs.h"
603cfgoutputs_out="${cfgoutputs_out} include/jemalloc/internal/jemalloc_internal.h"
604cfgoutputs_out="${cfgoutputs_out} test/test.sh"
605cfgoutputs_out="${cfgoutputs_out} test/include/test/jemalloc_test.h"
606
607cfgoutputs_tup="Makefile"
608cfgoutputs_tup="${cfgoutputs_tup} jemalloc.pc:jemalloc.pc.in"
609cfgoutputs_tup="${cfgoutputs_tup} doc/html.xsl:doc/html.xsl.in"
610cfgoutputs_tup="${cfgoutputs_tup} doc/manpages.xsl:doc/manpages.xsl.in"
611cfgoutputs_tup="${cfgoutputs_tup} doc/jemalloc.xml:doc/jemalloc.xml.in"
612cfgoutputs_tup="${cfgoutputs_tup} include/jemalloc/jemalloc_macros.h:include/jemalloc/jemalloc_macros.h.in"
613cfgoutputs_tup="${cfgoutputs_tup} include/jemalloc/jemalloc_protos.h:include/jemalloc/jemalloc_protos.h.in"
614cfgoutputs_tup="${cfgoutputs_tup} include/jemalloc/jemalloc_typedefs.h:include/jemalloc/jemalloc_typedefs.h.in"
615cfgoutputs_tup="${cfgoutputs_tup} include/jemalloc/internal/jemalloc_internal.h"
616cfgoutputs_tup="${cfgoutputs_tup} test/test.sh:test/test.sh.in"
617cfgoutputs_tup="${cfgoutputs_tup} test/include/test/jemalloc_test.h:test/include/test/jemalloc_test.h.in"
618
619cfghdrs_in="include/jemalloc/jemalloc_defs.h.in"
620cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/jemalloc_internal_defs.h.in"
621cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/private_namespace.sh"
622cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/private_unnamespace.sh"
623cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/private_symbols.txt"
624cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/public_namespace.sh"
625cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/public_unnamespace.sh"
626cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/size_classes.sh"
627cfghdrs_in="${cfghdrs_in} include/jemalloc/jemalloc_rename.sh"
628cfghdrs_in="${cfghdrs_in} include/jemalloc/jemalloc_mangle.sh"
629cfghdrs_in="${cfghdrs_in} include/jemalloc/jemalloc.sh"
630cfghdrs_in="${cfghdrs_in} test/include/test/jemalloc_test_defs.h.in"
631
632cfghdrs_out="include/jemalloc/jemalloc_defs.h"
633cfghdrs_out="${cfghdrs_out} include/jemalloc/jemalloc${install_suffix}.h"
634cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/private_namespace.h"
635cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/private_unnamespace.h"
636cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/public_symbols.txt"
637cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/public_namespace.h"
638cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/public_unnamespace.h"
639cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/size_classes.h"
640cfghdrs_out="${cfghdrs_out} include/jemalloc/jemalloc_protos_jet.h"
641cfghdrs_out="${cfghdrs_out} include/jemalloc/jemalloc_rename.h"
642cfghdrs_out="${cfghdrs_out} include/jemalloc/jemalloc_mangle.h"
643cfghdrs_out="${cfghdrs_out} include/jemalloc/jemalloc_mangle_jet.h"
644cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/jemalloc_internal_defs.h"
645cfghdrs_out="${cfghdrs_out} test/include/test/jemalloc_test_defs.h"
646
647cfghdrs_tup="include/jemalloc/jemalloc_defs.h:include/jemalloc/jemalloc_defs.h.in"
648cfghdrs_tup="${cfghdrs_tup} include/jemalloc/internal/jemalloc_internal_defs.h:include/jemalloc/internal/jemalloc_internal_defs.h.in"
649cfghdrs_tup="${cfghdrs_tup} test/include/test/jemalloc_test_defs.h:test/include/test/jemalloc_test_defs.h.in"
650
651dnl Silence irrelevant compiler warnings by default.
652AC_ARG_ENABLE([cc-silence],
653  [AS_HELP_STRING([--disable-cc-silence],
654                  [Do not silence irrelevant compiler warnings])],
655[if test "x$enable_cc_silence" = "xno" ; then
656  enable_cc_silence="0"
657else
658  enable_cc_silence="1"
659fi
660],
661[enable_cc_silence="1"]
662)
663if test "x$enable_cc_silence" = "x1" ; then
664  AC_DEFINE([JEMALLOC_CC_SILENCE], [ ])
665fi
666
667dnl Do not compile with debugging by default.
668AC_ARG_ENABLE([debug],
669  [AS_HELP_STRING([--enable-debug],
670                  [Build debugging code (implies --enable-ivsalloc)])],
671[if test "x$enable_debug" = "xno" ; then
672  enable_debug="0"
673else
674  enable_debug="1"
675fi
676],
677[enable_debug="0"]
678)
679if test "x$enable_debug" = "x1" ; then
680  AC_DEFINE([JEMALLOC_DEBUG], [ ])
681fi
682if test "x$enable_debug" = "x1" ; then
683  AC_DEFINE([JEMALLOC_DEBUG], [ ])
684  enable_ivsalloc="1"
685fi
686AC_SUBST([enable_debug])
687
688dnl Do not validate pointers by default.
689AC_ARG_ENABLE([ivsalloc],
690  [AS_HELP_STRING([--enable-ivsalloc],
691                  [Validate pointers passed through the public API])],
692[if test "x$enable_ivsalloc" = "xno" ; then
693  enable_ivsalloc="0"
694else
695  enable_ivsalloc="1"
696fi
697],
698[enable_ivsalloc="0"]
699)
700if test "x$enable_ivsalloc" = "x1" ; then
701  AC_DEFINE([JEMALLOC_IVSALLOC], [ ])
702fi
703
704dnl Only optimize if not debugging.
705if test "x$enable_debug" = "x0" -a "x$no_CFLAGS" = "xyes" ; then
706  dnl Make sure that an optimization flag was not specified in EXTRA_CFLAGS.
707  optimize="no"
708  echo "$CFLAGS $EXTRA_CFLAGS" | grep '\-O' >/dev/null || optimize="yes"
709  if test "x${optimize}" = "xyes" ; then
710    if test "x$GCC" = "xyes" ; then
711      JE_CFLAGS_APPEND([-O3])
712      JE_CFLAGS_APPEND([-funroll-loops])
713    elif test "x$je_cv_msvc" = "xyes" ; then
714      JE_CFLAGS_APPEND([-O2])
715    else
716      JE_CFLAGS_APPEND([-O])
717    fi
718  fi
719fi
720
721dnl Enable statistics calculation by default.
722AC_ARG_ENABLE([stats],
723  [AS_HELP_STRING([--disable-stats],
724                  [Disable statistics calculation/reporting])],
725[if test "x$enable_stats" = "xno" ; then
726  enable_stats="0"
727else
728  enable_stats="1"
729fi
730],
731[enable_stats="1"]
732)
733if test "x$enable_stats" = "x1" ; then
734  AC_DEFINE([JEMALLOC_STATS], [ ])
735fi
736AC_SUBST([enable_stats])
737
738dnl Do not enable profiling by default.
739AC_ARG_ENABLE([prof],
740  [AS_HELP_STRING([--enable-prof], [Enable allocation profiling])],
741[if test "x$enable_prof" = "xno" ; then
742  enable_prof="0"
743else
744  enable_prof="1"
745fi
746],
747[enable_prof="0"]
748)
749if test "x$enable_prof" = "x1" ; then
750  backtrace_method=""
751else
752  backtrace_method="N/A"
753fi
754
755AC_ARG_ENABLE([prof-libunwind],
756  [AS_HELP_STRING([--enable-prof-libunwind], [Use libunwind for backtracing])],
757[if test "x$enable_prof_libunwind" = "xno" ; then
758  enable_prof_libunwind="0"
759else
760  enable_prof_libunwind="1"
761fi
762],
763[enable_prof_libunwind="0"]
764)
765AC_ARG_WITH([static_libunwind],
766  [AS_HELP_STRING([--with-static-libunwind=<libunwind.a>],
767  [Path to static libunwind library; use rather than dynamically linking])],
768if test "x$with_static_libunwind" = "xno" ; then
769  LUNWIND="-lunwind"
770else
771  if test ! -f "$with_static_libunwind" ; then
772    AC_MSG_ERROR([Static libunwind not found: $with_static_libunwind])
773  fi
774  LUNWIND="$with_static_libunwind"
775fi,
776  LUNWIND="-lunwind"
777)
778if test "x$backtrace_method" = "x" -a "x$enable_prof_libunwind" = "x1" ; then
779  AC_CHECK_HEADERS([libunwind.h], , [enable_prof_libunwind="0"])
780  if test "x$LUNWIND" = "x-lunwind" ; then
781    AC_CHECK_LIB([unwind], [unw_backtrace], [LIBS="$LIBS $LUNWIND"],
782                 [enable_prof_libunwind="0"])
783  else
784    LIBS="$LIBS $LUNWIND"
785  fi
786  if test "x${enable_prof_libunwind}" = "x1" ; then
787    backtrace_method="libunwind"
788    AC_DEFINE([JEMALLOC_PROF_LIBUNWIND], [ ])
789  fi
790fi
791
792AC_ARG_ENABLE([prof-libgcc],
793  [AS_HELP_STRING([--disable-prof-libgcc],
794  [Do not use libgcc for backtracing])],
795[if test "x$enable_prof_libgcc" = "xno" ; then
796  enable_prof_libgcc="0"
797else
798  enable_prof_libgcc="1"
799fi
800],
801[enable_prof_libgcc="1"]
802)
803if test "x$backtrace_method" = "x" -a "x$enable_prof_libgcc" = "x1" \
804     -a "x$GCC" = "xyes" ; then
805  AC_CHECK_HEADERS([unwind.h], , [enable_prof_libgcc="0"])
806  AC_CHECK_LIB([gcc], [_Unwind_Backtrace], [LIBS="$LIBS -lgcc"], [enable_prof_libgcc="0"])
807  if test "x${enable_prof_libgcc}" = "x1" ; then
808    backtrace_method="libgcc"
809    AC_DEFINE([JEMALLOC_PROF_LIBGCC], [ ])
810  fi
811else
812  enable_prof_libgcc="0"
813fi
814
815AC_ARG_ENABLE([prof-gcc],
816  [AS_HELP_STRING([--disable-prof-gcc],
817  [Do not use gcc intrinsics for backtracing])],
818[if test "x$enable_prof_gcc" = "xno" ; then
819  enable_prof_gcc="0"
820else
821  enable_prof_gcc="1"
822fi
823],
824[enable_prof_gcc="1"]
825)
826if test "x$backtrace_method" = "x" -a "x$enable_prof_gcc" = "x1" \
827     -a "x$GCC" = "xyes" ; then
828  JE_CFLAGS_APPEND([-fno-omit-frame-pointer])
829  backtrace_method="gcc intrinsics"
830  AC_DEFINE([JEMALLOC_PROF_GCC], [ ])
831else
832  enable_prof_gcc="0"
833fi
834
835if test "x$backtrace_method" = "x" ; then
836  backtrace_method="none (disabling profiling)"
837  enable_prof="0"
838fi
839AC_MSG_CHECKING([configured backtracing method])
840AC_MSG_RESULT([$backtrace_method])
841if test "x$enable_prof" = "x1" ; then
842  if test "x$abi" != "xpecoff"; then
843    dnl Heap profiling uses the log(3) function.
844    LIBS="$LIBS -lm"
845  fi
846
847  AC_DEFINE([JEMALLOC_PROF], [ ])
848fi
849AC_SUBST([enable_prof])
850
851dnl Enable thread-specific caching by default.
852AC_ARG_ENABLE([tcache],
853  [AS_HELP_STRING([--disable-tcache], [Disable per thread caches])],
854[if test "x$enable_tcache" = "xno" ; then
855  enable_tcache="0"
856else
857  enable_tcache="1"
858fi
859],
860[enable_tcache="1"]
861)
862if test "x$enable_tcache" = "x1" ; then
863  AC_DEFINE([JEMALLOC_TCACHE], [ ])
864fi
865AC_SUBST([enable_tcache])
866
867dnl Indicate whether adjacent virtual memory mappings automatically coalesce
868dnl (and fragment on demand).
869if test "x${maps_coalesce}" = "x1" ; then
870  AC_DEFINE([JEMALLOC_MAPS_COALESCE], [ ])
871fi
872
873dnl Enable VM deallocation via munmap() by default.
874AC_ARG_ENABLE([munmap],
875  [AS_HELP_STRING([--disable-munmap], [Disable VM deallocation via munmap(2)])],
876[if test "x$enable_munmap" = "xno" ; then
877  enable_munmap="0"
878else
879  enable_munmap="1"
880fi
881],
882[enable_munmap="${default_munmap}"]
883)
884if test "x$enable_munmap" = "x1" ; then
885  AC_DEFINE([JEMALLOC_MUNMAP], [ ])
886fi
887AC_SUBST([enable_munmap])
888
889dnl Enable allocation from DSS if supported by the OS.
890have_dss="1"
891dnl Check whether the BSD/SUSv1 sbrk() exists.  If not, disable DSS support.
892AC_CHECK_FUNC([sbrk], [have_sbrk="1"], [have_sbrk="0"])
893if test "x$have_sbrk" = "x1" ; then
894  if test "x$sbrk_deprecated" = "x1" ; then
895    AC_MSG_RESULT([Disabling dss allocation because sbrk is deprecated])
896    have_dss="0"
897  fi
898else
899  have_dss="0"
900fi
901
902if test "x$have_dss" = "x1" ; then
903  AC_DEFINE([JEMALLOC_DSS], [ ])
904fi
905
906dnl Support the junk/zero filling option by default.
907AC_ARG_ENABLE([fill],
908  [AS_HELP_STRING([--disable-fill],
909                  [Disable support for junk/zero filling, quarantine, and redzones])],
910[if test "x$enable_fill" = "xno" ; then
911  enable_fill="0"
912else
913  enable_fill="1"
914fi
915],
916[enable_fill="1"]
917)
918if test "x$enable_fill" = "x1" ; then
919  AC_DEFINE([JEMALLOC_FILL], [ ])
920fi
921AC_SUBST([enable_fill])
922
923dnl Disable utrace(2)-based tracing by default.
924AC_ARG_ENABLE([utrace],
925  [AS_HELP_STRING([--enable-utrace], [Enable utrace(2)-based tracing])],
926[if test "x$enable_utrace" = "xno" ; then
927  enable_utrace="0"
928else
929  enable_utrace="1"
930fi
931],
932[enable_utrace="0"]
933)
934JE_COMPILABLE([utrace(2)], [
935#include <sys/types.h>
936#include <sys/param.h>
937#include <sys/time.h>
938#include <sys/uio.h>
939#include <sys/ktrace.h>
940], [
941	utrace((void *)0, 0);
942], [je_cv_utrace])
943if test "x${je_cv_utrace}" = "xno" ; then
944  enable_utrace="0"
945fi
946if test "x$enable_utrace" = "x1" ; then
947  AC_DEFINE([JEMALLOC_UTRACE], [ ])
948fi
949AC_SUBST([enable_utrace])
950
951dnl Support Valgrind by default.
952AC_ARG_ENABLE([valgrind],
953  [AS_HELP_STRING([--disable-valgrind], [Disable support for Valgrind])],
954[if test "x$enable_valgrind" = "xno" ; then
955  enable_valgrind="0"
956else
957  enable_valgrind="1"
958fi
959],
960[enable_valgrind="1"]
961)
962if test "x$enable_valgrind" = "x1" ; then
963  JE_COMPILABLE([valgrind], [
964#include <valgrind/valgrind.h>
965#include <valgrind/memcheck.h>
966
967#if !defined(VALGRIND_RESIZEINPLACE_BLOCK)
968#  error "Incompatible Valgrind version"
969#endif
970], [], [je_cv_valgrind])
971  if test "x${je_cv_valgrind}" = "xno" ; then
972    enable_valgrind="0"
973  fi
974  if test "x$enable_valgrind" = "x1" ; then
975    AC_DEFINE([JEMALLOC_VALGRIND], [ ])
976  fi
977fi
978AC_SUBST([enable_valgrind])
979
980dnl Do not support the xmalloc option by default.
981AC_ARG_ENABLE([xmalloc],
982  [AS_HELP_STRING([--enable-xmalloc], [Support xmalloc option])],
983[if test "x$enable_xmalloc" = "xno" ; then
984  enable_xmalloc="0"
985else
986  enable_xmalloc="1"
987fi
988],
989[enable_xmalloc="0"]
990)
991if test "x$enable_xmalloc" = "x1" ; then
992  AC_DEFINE([JEMALLOC_XMALLOC], [ ])
993fi
994AC_SUBST([enable_xmalloc])
995
996dnl Support cache-oblivious allocation alignment by default.
997AC_ARG_ENABLE([cache-oblivious],
998  [AS_HELP_STRING([--disable-cache-oblivious],
999                  [Disable support for cache-oblivious allocation alignment])],
1000[if test "x$enable_cache_oblivious" = "xno" ; then
1001  enable_cache_oblivious="0"
1002else
1003  enable_cache_oblivious="1"
1004fi
1005],
1006[enable_cache_oblivious="1"]
1007)
1008if test "x$enable_cache_oblivious" = "x1" ; then
1009  AC_DEFINE([JEMALLOC_CACHE_OBLIVIOUS], [ ])
1010fi
1011AC_SUBST([enable_cache_oblivious])
1012
1013dnl ============================================================================
1014dnl Check for  __builtin_ffsl(), then ffsl(3), and fail if neither are found.
1015dnl One of those two functions should (theoretically) exist on all platforms
1016dnl that jemalloc currently has a chance of functioning on without modification.
1017dnl We additionally assume ffs() or __builtin_ffs() are defined if
1018dnl ffsl() or __builtin_ffsl() are defined, respectively.
1019JE_COMPILABLE([a program using __builtin_ffsl], [
1020#include <stdio.h>
1021#include <strings.h>
1022#include <string.h>
1023], [
1024	{
1025		int rv = __builtin_ffsl(0x08);
1026		printf("%d\n", rv);
1027	}
1028], [je_cv_gcc_builtin_ffsl])
1029if test "x${je_cv_gcc_builtin_ffsl}" = "xyes" ; then
1030  AC_DEFINE([JEMALLOC_INTERNAL_FFSL], [__builtin_ffsl])
1031  AC_DEFINE([JEMALLOC_INTERNAL_FFS], [__builtin_ffs])
1032else
1033  JE_COMPILABLE([a program using ffsl], [
1034  #include <stdio.h>
1035  #include <strings.h>
1036  #include <string.h>
1037  ], [
1038	{
1039		int rv = ffsl(0x08);
1040		printf("%d\n", rv);
1041	}
1042  ], [je_cv_function_ffsl])
1043  if test "x${je_cv_function_ffsl}" = "xyes" ; then
1044    AC_DEFINE([JEMALLOC_INTERNAL_FFSL], [ffsl])
1045    AC_DEFINE([JEMALLOC_INTERNAL_FFS], [ffs])
1046  else
1047    AC_MSG_ERROR([Cannot build without ffsl(3) or __builtin_ffsl()])
1048  fi
1049fi
1050
1051AC_ARG_WITH([lg_tiny_min],
1052  [AS_HELP_STRING([--with-lg-tiny-min=<lg-tiny-min>],
1053   [Base 2 log of minimum tiny size class to support])],
1054  [LG_TINY_MIN="$with_lg_tiny_min"],
1055  [LG_TINY_MIN="3"])
1056AC_DEFINE_UNQUOTED([LG_TINY_MIN], [$LG_TINY_MIN])
1057
1058AC_ARG_WITH([lg_quantum],
1059  [AS_HELP_STRING([--with-lg-quantum=<lg-quantum>],
1060   [Base 2 log of minimum allocation alignment])],
1061  [LG_QUANTA="$with_lg_quantum"],
1062  [LG_QUANTA="3 4"])
1063if test "x$with_lg_quantum" != "x" ; then
1064  AC_DEFINE_UNQUOTED([LG_QUANTUM], [$with_lg_quantum])
1065fi
1066
1067AC_ARG_WITH([lg_page],
1068  [AS_HELP_STRING([--with-lg-page=<lg-page>], [Base 2 log of system page size])],
1069  [LG_PAGE="$with_lg_page"], [LG_PAGE="detect"])
1070if test "x$LG_PAGE" = "xdetect"; then
1071  AC_CACHE_CHECK([LG_PAGE],
1072               [je_cv_lg_page],
1073               AC_RUN_IFELSE([AC_LANG_PROGRAM(
1074[[
1075#include <strings.h>
1076#ifdef _WIN32
1077#include <windows.h>
1078#else
1079#include <unistd.h>
1080#endif
1081#include <stdio.h>
1082]],
1083[[
1084    int result;
1085    FILE *f;
1086
1087#ifdef _WIN32
1088    SYSTEM_INFO si;
1089    GetSystemInfo(&si);
1090    result = si.dwPageSize;
1091#else
1092    result = sysconf(_SC_PAGESIZE);
1093#endif
1094    if (result == -1) {
1095	return 1;
1096    }
1097    result = JEMALLOC_INTERNAL_FFSL(result) - 1;
1098
1099    f = fopen("conftest.out", "w");
1100    if (f == NULL) {
1101	return 1;
1102    }
1103    fprintf(f, "%d\n", result);
1104    fclose(f);
1105
1106    return 0;
1107]])],
1108                             [je_cv_lg_page=`cat conftest.out`],
1109                             [je_cv_lg_page=undefined],
1110                             [je_cv_lg_page=12]))
1111fi
1112if test "x${je_cv_lg_page}" != "x" ; then
1113  LG_PAGE="${je_cv_lg_page}"
1114fi
1115if test "x${LG_PAGE}" != "xundefined" ; then
1116   AC_DEFINE_UNQUOTED([LG_PAGE], [$LG_PAGE])
1117else
1118   AC_MSG_ERROR([cannot determine value for LG_PAGE])
1119fi
1120
1121AC_ARG_WITH([lg_page_sizes],
1122  [AS_HELP_STRING([--with-lg-page-sizes=<lg-page-sizes>],
1123   [Base 2 logs of system page sizes to support])],
1124  [LG_PAGE_SIZES="$with_lg_page_sizes"], [LG_PAGE_SIZES="$LG_PAGE"])
1125
1126AC_ARG_WITH([lg_size_class_group],
1127  [AS_HELP_STRING([--with-lg-size-class-group=<lg-size-class-group>],
1128   [Base 2 log of size classes per doubling])],
1129  [LG_SIZE_CLASS_GROUP="$with_lg_size_class_group"],
1130  [LG_SIZE_CLASS_GROUP="2"])
1131
1132dnl ============================================================================
1133dnl jemalloc configuration.
1134dnl
1135
1136dnl Set VERSION if source directory is inside a git repository.
1137if test "x`test ! \"${srcroot}\" && cd \"${srcroot}\"; git rev-parse --is-inside-work-tree 2>/dev/null`" = "xtrue" ; then
1138  dnl Pattern globs aren't powerful enough to match both single- and
1139  dnl double-digit version numbers, so iterate over patterns to support up to
1140  dnl version 99.99.99 without any accidental matches.
1141  rm -f "${objroot}VERSION"
1142  for pattern in ['[0-9].[0-9].[0-9]' '[0-9].[0-9].[0-9][0-9]' \
1143                 '[0-9].[0-9][0-9].[0-9]' '[0-9].[0-9][0-9].[0-9][0-9]' \
1144                 '[0-9][0-9].[0-9].[0-9]' '[0-9][0-9].[0-9].[0-9][0-9]' \
1145                 '[0-9][0-9].[0-9][0-9].[0-9]' \
1146                 '[0-9][0-9].[0-9][0-9].[0-9][0-9]']; do
1147    if test ! -e "${objroot}VERSION" ; then
1148      (test ! "${srcroot}" && cd "${srcroot}"; git describe --long --abbrev=40 --match="${pattern}") > "${objroot}VERSION.tmp" 2>/dev/null
1149      if test $? -eq 0 ; then
1150        mv "${objroot}VERSION.tmp" "${objroot}VERSION"
1151        break
1152      fi
1153    fi
1154  done
1155fi
1156rm -f "${objroot}VERSION.tmp"
1157if test ! -e "${objroot}VERSION" ; then
1158  if test ! -e "${srcroot}VERSION" ; then
1159    AC_MSG_RESULT(
1160      [Missing VERSION file, and unable to generate it; creating bogus VERSION])
1161    echo "0.0.0-0-g0000000000000000000000000000000000000000" > "${objroot}VERSION"
1162  else
1163    cp ${srcroot}VERSION ${objroot}VERSION
1164  fi
1165fi
1166jemalloc_version=`cat "${objroot}VERSION"`
1167jemalloc_version_major=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]1}'`
1168jemalloc_version_minor=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]2}'`
1169jemalloc_version_bugfix=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]3}'`
1170jemalloc_version_nrev=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]4}'`
1171jemalloc_version_gid=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]5}'`
1172AC_SUBST([jemalloc_version])
1173AC_SUBST([jemalloc_version_major])
1174AC_SUBST([jemalloc_version_minor])
1175AC_SUBST([jemalloc_version_bugfix])
1176AC_SUBST([jemalloc_version_nrev])
1177AC_SUBST([jemalloc_version_gid])
1178
1179dnl ============================================================================
1180dnl Configure pthreads.
1181
1182if test "x$abi" != "xpecoff" ; then
1183  AC_CHECK_HEADERS([pthread.h], , [AC_MSG_ERROR([pthread.h is missing])])
1184  dnl Some systems may embed pthreads functionality in libc; check for libpthread
1185  dnl first, but try libc too before failing.
1186  AC_CHECK_LIB([pthread], [pthread_create], [LIBS="$LIBS -lpthread"],
1187               [AC_SEARCH_LIBS([pthread_create], , ,
1188                               AC_MSG_ERROR([libpthread is missing]))])
1189fi
1190
1191CPPFLAGS="$CPPFLAGS -D_REENTRANT"
1192
1193dnl Check whether clock_gettime(2) is in libc or librt.  This function is only
1194dnl used in test code, so save the result to TESTLIBS to avoid poluting LIBS.
1195SAVED_LIBS="${LIBS}"
1196LIBS=
1197AC_SEARCH_LIBS([clock_gettime], [rt], [TESTLIBS="${LIBS}"])
1198AC_SUBST([TESTLIBS])
1199LIBS="${SAVED_LIBS}"
1200
1201dnl Check if the GNU-specific secure_getenv function exists.
1202AC_CHECK_FUNC([secure_getenv],
1203              [have_secure_getenv="1"],
1204              [have_secure_getenv="0"]
1205             )
1206if test "x$have_secure_getenv" = "x1" ; then
1207  AC_DEFINE([JEMALLOC_HAVE_SECURE_GETENV], [ ])
1208fi
1209
1210dnl Check if the Solaris/BSD issetugid function exists.
1211AC_CHECK_FUNC([issetugid],
1212              [have_issetugid="1"],
1213              [have_issetugid="0"]
1214             )
1215if test "x$have_issetugid" = "x1" ; then
1216  AC_DEFINE([JEMALLOC_HAVE_ISSETUGID], [ ])
1217fi
1218
1219dnl Check whether the BSD-specific _malloc_thread_cleanup() exists.  If so, use
1220dnl it rather than pthreads TSD cleanup functions to support cleanup during
1221dnl thread exit, in order to avoid pthreads library recursion during
1222dnl bootstrapping.
1223AC_CHECK_FUNC([_malloc_thread_cleanup],
1224              [have__malloc_thread_cleanup="1"],
1225              [have__malloc_thread_cleanup="0"]
1226             )
1227if test "x$have__malloc_thread_cleanup" = "x1" ; then
1228  AC_DEFINE([JEMALLOC_MALLOC_THREAD_CLEANUP], [ ])
1229  force_tls="1"
1230fi
1231
1232dnl Check whether the BSD-specific _pthread_mutex_init_calloc_cb() exists.  If
1233dnl so, mutex initialization causes allocation, and we need to implement this
1234dnl callback function in order to prevent recursive allocation.
1235AC_CHECK_FUNC([_pthread_mutex_init_calloc_cb],
1236              [have__pthread_mutex_init_calloc_cb="1"],
1237              [have__pthread_mutex_init_calloc_cb="0"]
1238             )
1239if test "x$have__pthread_mutex_init_calloc_cb" = "x1" ; then
1240  AC_DEFINE([JEMALLOC_MUTEX_INIT_CB])
1241fi
1242
1243dnl Disable lazy locking by default.
1244AC_ARG_ENABLE([lazy_lock],
1245  [AS_HELP_STRING([--enable-lazy-lock],
1246  [Enable lazy locking (only lock when multi-threaded)])],
1247[if test "x$enable_lazy_lock" = "xno" ; then
1248  enable_lazy_lock="0"
1249else
1250  enable_lazy_lock="1"
1251fi
1252],
1253[enable_lazy_lock=""]
1254)
1255if test "x$enable_lazy_lock" = "x" -a "x${force_lazy_lock}" = "x1" ; then
1256  AC_MSG_RESULT([Forcing lazy-lock to avoid allocator/threading bootstrap issues])
1257  enable_lazy_lock="1"
1258fi
1259if test "x$enable_lazy_lock" = "x1" ; then
1260  if test "x$abi" != "xpecoff" ; then
1261    AC_CHECK_HEADERS([dlfcn.h], , [AC_MSG_ERROR([dlfcn.h is missing])])
1262    AC_CHECK_FUNC([dlsym], [],
1263      [AC_CHECK_LIB([dl], [dlsym], [LIBS="$LIBS -ldl"],
1264                    [AC_MSG_ERROR([libdl is missing])])
1265      ])
1266  fi
1267  AC_DEFINE([JEMALLOC_LAZY_LOCK], [ ])
1268else
1269  enable_lazy_lock="0"
1270fi
1271AC_SUBST([enable_lazy_lock])
1272
1273AC_ARG_ENABLE([tls],
1274  [AS_HELP_STRING([--disable-tls], [Disable thread-local storage (__thread keyword)])],
1275if test "x$enable_tls" = "xno" ; then
1276  enable_tls="0"
1277else
1278  enable_tls="1"
1279fi
1280,
1281enable_tls=""
1282)
1283if test "x${enable_tls}" = "x" ; then
1284  if test "x${force_tls}" = "x1" ; then
1285    AC_MSG_RESULT([Forcing TLS to avoid allocator/threading bootstrap issues])
1286    enable_tls="1"
1287  elif test "x${force_tls}" = "x0" ; then
1288    AC_MSG_RESULT([Forcing no TLS to avoid allocator/threading bootstrap issues])
1289    enable_tls="0"
1290  else
1291    enable_tls="1"
1292  fi
1293fi
1294if test "x${enable_tls}" = "x1" ; then
1295AC_MSG_CHECKING([for TLS])
1296AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1297[[
1298    __thread int x;
1299]], [[
1300    x = 42;
1301
1302    return 0;
1303]])],
1304              AC_MSG_RESULT([yes]),
1305              AC_MSG_RESULT([no])
1306              enable_tls="0")
1307else
1308  enable_tls="0"
1309fi
1310AC_SUBST([enable_tls])
1311if test "x${enable_tls}" = "x1" ; then
1312  if test "x${force_tls}" = "x0" ; then
1313    AC_MSG_WARN([TLS enabled despite being marked unusable on this platform])
1314  fi
1315  AC_DEFINE_UNQUOTED([JEMALLOC_TLS], [ ])
1316elif test "x${force_tls}" = "x1" ; then
1317  AC_MSG_WARN([TLS disabled despite being marked critical on this platform])
1318fi
1319
1320dnl ============================================================================
1321dnl Check for C11 atomics.
1322
1323JE_COMPILABLE([C11 atomics], [
1324#include <stdint.h>
1325#if (__STDC_VERSION__ >= 201112L) && !defined(__STDC_NO_ATOMICS__)
1326#include <stdatomic.h>
1327#else
1328#error Atomics not available
1329#endif
1330], [
1331    uint64_t *p = (uint64_t *)0;
1332    uint64_t x = 1;
1333    volatile atomic_uint_least64_t *a = (volatile atomic_uint_least64_t *)p;
1334    uint64_t r = atomic_fetch_add(a, x) + x;
1335    return (r == 0);
1336], [je_cv_c11atomics])
1337if test "x${je_cv_c11atomics}" = "xyes" ; then
1338  AC_DEFINE([JEMALLOC_C11ATOMICS])
1339fi
1340
1341dnl ============================================================================
1342dnl Check for atomic(9) operations as provided on FreeBSD.
1343
1344JE_COMPILABLE([atomic(9)], [
1345#include <sys/types.h>
1346#include <machine/atomic.h>
1347#include <inttypes.h>
1348], [
1349	{
1350		uint32_t x32 = 0;
1351		volatile uint32_t *x32p = &x32;
1352		atomic_fetchadd_32(x32p, 1);
1353	}
1354	{
1355		unsigned long xlong = 0;
1356		volatile unsigned long *xlongp = &xlong;
1357		atomic_fetchadd_long(xlongp, 1);
1358	}
1359], [je_cv_atomic9])
1360if test "x${je_cv_atomic9}" = "xyes" ; then
1361  AC_DEFINE([JEMALLOC_ATOMIC9])
1362fi
1363
1364dnl ============================================================================
1365dnl Check for atomic(3) operations as provided on Darwin.
1366
1367JE_COMPILABLE([Darwin OSAtomic*()], [
1368#include <libkern/OSAtomic.h>
1369#include <inttypes.h>
1370], [
1371	{
1372		int32_t x32 = 0;
1373		volatile int32_t *x32p = &x32;
1374		OSAtomicAdd32(1, x32p);
1375	}
1376	{
1377		int64_t x64 = 0;
1378		volatile int64_t *x64p = &x64;
1379		OSAtomicAdd64(1, x64p);
1380	}
1381], [je_cv_osatomic])
1382if test "x${je_cv_osatomic}" = "xyes" ; then
1383  AC_DEFINE([JEMALLOC_OSATOMIC], [ ])
1384fi
1385
1386dnl ============================================================================
1387dnl Check for madvise(2).
1388
1389JE_COMPILABLE([madvise(2)], [
1390#include <sys/mman.h>
1391], [
1392	{
1393		madvise((void *)0, 0, 0);
1394	}
1395], [je_cv_madvise])
1396if test "x${je_cv_madvise}" = "xyes" ; then
1397  AC_DEFINE([JEMALLOC_HAVE_MADVISE], [ ])
1398fi
1399
1400dnl ============================================================================
1401dnl Check whether __sync_{add,sub}_and_fetch() are available despite
1402dnl __GCC_HAVE_SYNC_COMPARE_AND_SWAP_n macros being undefined.
1403
1404AC_DEFUN([JE_SYNC_COMPARE_AND_SWAP_CHECK],[
1405  AC_CACHE_CHECK([whether to force $1-bit __sync_{add,sub}_and_fetch()],
1406               [je_cv_sync_compare_and_swap_$2],
1407               [AC_LINK_IFELSE([AC_LANG_PROGRAM([
1408                                                 #include <stdint.h>
1409                                                ],
1410                                                [
1411                                                 #ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_$2
1412                                                 {
1413                                                    uint$1_t x$1 = 0;
1414                                                    __sync_add_and_fetch(&x$1, 42);
1415                                                    __sync_sub_and_fetch(&x$1, 1);
1416                                                 }
1417                                                 #else
1418                                                 #error __GCC_HAVE_SYNC_COMPARE_AND_SWAP_$2 is defined, no need to force
1419                                                 #endif
1420                                                ])],
1421                               [je_cv_sync_compare_and_swap_$2=yes],
1422                               [je_cv_sync_compare_and_swap_$2=no])])
1423
1424  if test "x${je_cv_sync_compare_and_swap_$2}" = "xyes" ; then
1425    AC_DEFINE([JE_FORCE_SYNC_COMPARE_AND_SWAP_$2], [ ])
1426  fi
1427])
1428
1429if test "x${je_cv_atomic9}" != "xyes" -a "x${je_cv_osatomic}" != "xyes" ; then
1430  JE_SYNC_COMPARE_AND_SWAP_CHECK(32, 4)
1431  JE_SYNC_COMPARE_AND_SWAP_CHECK(64, 8)
1432fi
1433
1434dnl ============================================================================
1435dnl Check for __builtin_clz() and __builtin_clzl().
1436
1437AC_CACHE_CHECK([for __builtin_clz],
1438               [je_cv_builtin_clz],
1439               [AC_LINK_IFELSE([AC_LANG_PROGRAM([],
1440                                                [
1441                                                {
1442                                                        unsigned x = 0;
1443                                                        int y = __builtin_clz(x);
1444                                                }
1445                                                {
1446                                                        unsigned long x = 0;
1447                                                        int y = __builtin_clzl(x);
1448                                                }
1449                                                ])],
1450                               [je_cv_builtin_clz=yes],
1451                               [je_cv_builtin_clz=no])])
1452
1453if test "x${je_cv_builtin_clz}" = "xyes" ; then
1454  AC_DEFINE([JEMALLOC_HAVE_BUILTIN_CLZ], [ ])
1455fi
1456
1457dnl ============================================================================
1458dnl Check for spinlock(3) operations as provided on Darwin.
1459
1460JE_COMPILABLE([Darwin OSSpin*()], [
1461#include <libkern/OSAtomic.h>
1462#include <inttypes.h>
1463], [
1464	OSSpinLock lock = 0;
1465	OSSpinLockLock(&lock);
1466	OSSpinLockUnlock(&lock);
1467], [je_cv_osspin])
1468if test "x${je_cv_osspin}" = "xyes" ; then
1469  AC_DEFINE([JEMALLOC_OSSPIN], [ ])
1470fi
1471
1472dnl ============================================================================
1473dnl Darwin-related configuration.
1474
1475AC_ARG_ENABLE([zone-allocator],
1476  [AS_HELP_STRING([--disable-zone-allocator],
1477                  [Disable zone allocator for Darwin])],
1478[if test "x$enable_zone_allocator" = "xno" ; then
1479  enable_zone_allocator="0"
1480else
1481  enable_zone_allocator="1"
1482fi
1483],
1484[if test "x${abi}" = "xmacho"; then
1485  enable_zone_allocator="1"
1486fi
1487]
1488)
1489AC_SUBST([enable_zone_allocator])
1490
1491if test "x${enable_zone_allocator}" = "x1" ; then
1492  if test "x${abi}" != "xmacho"; then
1493    AC_MSG_ERROR([--enable-zone-allocator is only supported on Darwin])
1494  fi
1495  AC_DEFINE([JEMALLOC_ZONE], [ ])
1496
1497  dnl The szone version jumped from 3 to 6 between the OS X 10.5.x and 10.6
1498  dnl releases.  malloc_zone_t and malloc_introspection_t have new fields in
1499  dnl 10.6, which is the only source-level indication of the change.
1500  AC_MSG_CHECKING([malloc zone version])
1501  AC_DEFUN([JE_ZONE_PROGRAM],
1502    [AC_LANG_PROGRAM(
1503      [#include <malloc/malloc.h>],
1504      [static int foo[[sizeof($1) $2 sizeof(void *) * $3 ? 1 : -1]]]
1505    )])
1506
1507  AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_zone_t,==,14)],[JEMALLOC_ZONE_VERSION=3],[
1508  AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_zone_t,==,15)],[JEMALLOC_ZONE_VERSION=5],[
1509  AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_zone_t,==,16)],[
1510    AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_introspection_t,==,9)],[JEMALLOC_ZONE_VERSION=6],[
1511    AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_introspection_t,==,13)],[JEMALLOC_ZONE_VERSION=7],[JEMALLOC_ZONE_VERSION=]
1512  )])],[
1513  AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_zone_t,==,17)],[JEMALLOC_ZONE_VERSION=8],[
1514  AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_zone_t,>,17)],[JEMALLOC_ZONE_VERSION=9],[JEMALLOC_ZONE_VERSION=]
1515  )])])])])
1516  if test "x${JEMALLOC_ZONE_VERSION}" = "x"; then
1517    AC_MSG_RESULT([unsupported])
1518    AC_MSG_ERROR([Unsupported malloc zone version])
1519  fi
1520  if test "${JEMALLOC_ZONE_VERSION}" = 9; then
1521    JEMALLOC_ZONE_VERSION=8
1522    AC_MSG_RESULT([> 8])
1523  else
1524    AC_MSG_RESULT([$JEMALLOC_ZONE_VERSION])
1525  fi
1526  AC_DEFINE_UNQUOTED(JEMALLOC_ZONE_VERSION, [$JEMALLOC_ZONE_VERSION])
1527fi
1528
1529dnl ============================================================================
1530dnl Check for glibc malloc hooks
1531
1532JE_COMPILABLE([glibc malloc hook], [
1533#include <stddef.h>
1534
1535extern void (* __free_hook)(void *ptr);
1536extern void *(* __malloc_hook)(size_t size);
1537extern void *(* __realloc_hook)(void *ptr, size_t size);
1538], [
1539  void *ptr = 0L;
1540  if (__malloc_hook) ptr = __malloc_hook(1);
1541  if (__realloc_hook) ptr = __realloc_hook(ptr, 2);
1542  if (__free_hook && ptr) __free_hook(ptr);
1543], [je_cv_glibc_malloc_hook])
1544if test "x${je_cv_glibc_malloc_hook}" = "xyes" ; then
1545  AC_DEFINE([JEMALLOC_GLIBC_MALLOC_HOOK], [ ])
1546fi
1547
1548JE_COMPILABLE([glibc memalign hook], [
1549#include <stddef.h>
1550
1551extern void *(* __memalign_hook)(size_t alignment, size_t size);
1552], [
1553  void *ptr = 0L;
1554  if (__memalign_hook) ptr = __memalign_hook(16, 7);
1555], [je_cv_glibc_memalign_hook])
1556if test "x${je_cv_glibc_memalign_hook}" = "xyes" ; then
1557  AC_DEFINE([JEMALLOC_GLIBC_MEMALIGN_HOOK], [ ])
1558fi
1559
1560JE_COMPILABLE([pthreads adaptive mutexes], [
1561#include <pthread.h>
1562], [
1563  pthread_mutexattr_t attr;
1564  pthread_mutexattr_init(&attr);
1565  pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ADAPTIVE_NP);
1566  pthread_mutexattr_destroy(&attr);
1567], [je_cv_pthread_mutex_adaptive_np])
1568if test "x${je_cv_pthread_mutex_adaptive_np}" = "xyes" ; then
1569  AC_DEFINE([JEMALLOC_HAVE_PTHREAD_MUTEX_ADAPTIVE_NP], [ ])
1570fi
1571
1572dnl ============================================================================
1573dnl Check for typedefs, structures, and compiler characteristics.
1574AC_HEADER_STDBOOL
1575
1576dnl ============================================================================
1577dnl Define commands that generate output files.
1578
1579AC_CONFIG_COMMANDS([include/jemalloc/internal/private_namespace.h], [
1580  mkdir -p "${objroot}include/jemalloc/internal"
1581  "${srcdir}/include/jemalloc/internal/private_namespace.sh" "${srcdir}/include/jemalloc/internal/private_symbols.txt" > "${objroot}include/jemalloc/internal/private_namespace.h"
1582], [
1583  srcdir="${srcdir}"
1584  objroot="${objroot}"
1585])
1586AC_CONFIG_COMMANDS([include/jemalloc/internal/private_unnamespace.h], [
1587  mkdir -p "${objroot}include/jemalloc/internal"
1588  "${srcdir}/include/jemalloc/internal/private_unnamespace.sh" "${srcdir}/include/jemalloc/internal/private_symbols.txt" > "${objroot}include/jemalloc/internal/private_unnamespace.h"
1589], [
1590  srcdir="${srcdir}"
1591  objroot="${objroot}"
1592])
1593AC_CONFIG_COMMANDS([include/jemalloc/internal/public_symbols.txt], [
1594  f="${objroot}include/jemalloc/internal/public_symbols.txt"
1595  mkdir -p "${objroot}include/jemalloc/internal"
1596  cp /dev/null "${f}"
1597  for nm in `echo ${mangling_map} |tr ',' ' '` ; do
1598    n=`echo ${nm} |tr ':' ' ' |awk '{print $[]1}'`
1599    m=`echo ${nm} |tr ':' ' ' |awk '{print $[]2}'`
1600    echo "${n}:${m}" >> "${f}"
1601    dnl Remove name from public_syms so that it isn't redefined later.
1602    public_syms=`for sym in ${public_syms}; do echo "${sym}"; done |grep -v "^${n}\$" |tr '\n' ' '`
1603  done
1604  for sym in ${public_syms} ; do
1605    n="${sym}"
1606    m="${JEMALLOC_PREFIX}${sym}"
1607    echo "${n}:${m}" >> "${f}"
1608  done
1609], [
1610  srcdir="${srcdir}"
1611  objroot="${objroot}"
1612  mangling_map="${mangling_map}"
1613  public_syms="${public_syms}"
1614  JEMALLOC_PREFIX="${JEMALLOC_PREFIX}"
1615])
1616AC_CONFIG_COMMANDS([include/jemalloc/internal/public_namespace.h], [
1617  mkdir -p "${objroot}include/jemalloc/internal"
1618  "${srcdir}/include/jemalloc/internal/public_namespace.sh" "${objroot}include/jemalloc/internal/public_symbols.txt" > "${objroot}include/jemalloc/internal/public_namespace.h"
1619], [
1620  srcdir="${srcdir}"
1621  objroot="${objroot}"
1622])
1623AC_CONFIG_COMMANDS([include/jemalloc/internal/public_unnamespace.h], [
1624  mkdir -p "${objroot}include/jemalloc/internal"
1625  "${srcdir}/include/jemalloc/internal/public_unnamespace.sh" "${objroot}include/jemalloc/internal/public_symbols.txt" > "${objroot}include/jemalloc/internal/public_unnamespace.h"
1626], [
1627  srcdir="${srcdir}"
1628  objroot="${objroot}"
1629])
1630AC_CONFIG_COMMANDS([include/jemalloc/internal/size_classes.h], [
1631  mkdir -p "${objroot}include/jemalloc/internal"
1632  "${SHELL}" "${srcdir}/include/jemalloc/internal/size_classes.sh" "${LG_QUANTA}" ${LG_TINY_MIN} "${LG_PAGE_SIZES}" ${LG_SIZE_CLASS_GROUP} > "${objroot}include/jemalloc/internal/size_classes.h"
1633], [
1634  SHELL="${SHELL}"
1635  srcdir="${srcdir}"
1636  objroot="${objroot}"
1637  LG_QUANTA="${LG_QUANTA}"
1638  LG_TINY_MIN=${LG_TINY_MIN}
1639  LG_PAGE_SIZES="${LG_PAGE_SIZES}"
1640  LG_SIZE_CLASS_GROUP=${LG_SIZE_CLASS_GROUP}
1641])
1642AC_CONFIG_COMMANDS([include/jemalloc/jemalloc_protos_jet.h], [
1643  mkdir -p "${objroot}include/jemalloc"
1644  cat "${srcdir}/include/jemalloc/jemalloc_protos.h.in" | sed -e 's/@je_@/jet_/g' > "${objroot}include/jemalloc/jemalloc_protos_jet.h"
1645], [
1646  srcdir="${srcdir}"
1647  objroot="${objroot}"
1648])
1649AC_CONFIG_COMMANDS([include/jemalloc/jemalloc_rename.h], [
1650  mkdir -p "${objroot}include/jemalloc"
1651  "${srcdir}/include/jemalloc/jemalloc_rename.sh" "${objroot}include/jemalloc/internal/public_symbols.txt" > "${objroot}include/jemalloc/jemalloc_rename.h"
1652], [
1653  srcdir="${srcdir}"
1654  objroot="${objroot}"
1655])
1656AC_CONFIG_COMMANDS([include/jemalloc/jemalloc_mangle.h], [
1657  mkdir -p "${objroot}include/jemalloc"
1658  "${srcdir}/include/jemalloc/jemalloc_mangle.sh" "${objroot}include/jemalloc/internal/public_symbols.txt" je_ > "${objroot}include/jemalloc/jemalloc_mangle.h"
1659], [
1660  srcdir="${srcdir}"
1661  objroot="${objroot}"
1662])
1663AC_CONFIG_COMMANDS([include/jemalloc/jemalloc_mangle_jet.h], [
1664  mkdir -p "${objroot}include/jemalloc"
1665  "${srcdir}/include/jemalloc/jemalloc_mangle.sh" "${objroot}include/jemalloc/internal/public_symbols.txt" jet_ > "${objroot}include/jemalloc/jemalloc_mangle_jet.h"
1666], [
1667  srcdir="${srcdir}"
1668  objroot="${objroot}"
1669])
1670AC_CONFIG_COMMANDS([include/jemalloc/jemalloc.h], [
1671  mkdir -p "${objroot}include/jemalloc"
1672  "${srcdir}/include/jemalloc/jemalloc.sh" "${objroot}" > "${objroot}include/jemalloc/jemalloc${install_suffix}.h"
1673], [
1674  srcdir="${srcdir}"
1675  objroot="${objroot}"
1676  install_suffix="${install_suffix}"
1677])
1678
1679dnl Process .in files.
1680AC_SUBST([cfghdrs_in])
1681AC_SUBST([cfghdrs_out])
1682AC_CONFIG_HEADERS([$cfghdrs_tup])
1683
1684dnl ============================================================================
1685dnl Generate outputs.
1686
1687AC_CONFIG_FILES([$cfgoutputs_tup config.stamp bin/jemalloc-config bin/jemalloc.sh bin/jeprof])
1688AC_SUBST([cfgoutputs_in])
1689AC_SUBST([cfgoutputs_out])
1690AC_OUTPUT
1691
1692dnl ============================================================================
1693dnl Print out the results of configuration.
1694AC_MSG_RESULT([===============================================================================])
1695AC_MSG_RESULT([jemalloc version   : ${jemalloc_version}])
1696AC_MSG_RESULT([library revision   : ${rev}])
1697AC_MSG_RESULT([])
1698AC_MSG_RESULT([CONFIG             : ${CONFIG}])
1699AC_MSG_RESULT([CC                 : ${CC}])
1700AC_MSG_RESULT([CFLAGS             : ${CFLAGS}])
1701AC_MSG_RESULT([CPPFLAGS           : ${CPPFLAGS}])
1702AC_MSG_RESULT([LDFLAGS            : ${LDFLAGS}])
1703AC_MSG_RESULT([EXTRA_LDFLAGS      : ${EXTRA_LDFLAGS}])
1704AC_MSG_RESULT([LIBS               : ${LIBS}])
1705AC_MSG_RESULT([TESTLIBS           : ${TESTLIBS}])
1706AC_MSG_RESULT([RPATH_EXTRA        : ${RPATH_EXTRA}])
1707AC_MSG_RESULT([])
1708AC_MSG_RESULT([XSLTPROC           : ${XSLTPROC}])
1709AC_MSG_RESULT([XSLROOT            : ${XSLROOT}])
1710AC_MSG_RESULT([])
1711AC_MSG_RESULT([PREFIX             : ${PREFIX}])
1712AC_MSG_RESULT([BINDIR             : ${BINDIR}])
1713AC_MSG_RESULT([DATADIR            : ${DATADIR}])
1714AC_MSG_RESULT([INCLUDEDIR         : ${INCLUDEDIR}])
1715AC_MSG_RESULT([LIBDIR             : ${LIBDIR}])
1716AC_MSG_RESULT([MANDIR             : ${MANDIR}])
1717AC_MSG_RESULT([])
1718AC_MSG_RESULT([srcroot            : ${srcroot}])
1719AC_MSG_RESULT([abs_srcroot        : ${abs_srcroot}])
1720AC_MSG_RESULT([objroot            : ${objroot}])
1721AC_MSG_RESULT([abs_objroot        : ${abs_objroot}])
1722AC_MSG_RESULT([])
1723AC_MSG_RESULT([JEMALLOC_PREFIX    : ${JEMALLOC_PREFIX}])
1724AC_MSG_RESULT([JEMALLOC_PRIVATE_NAMESPACE])
1725AC_MSG_RESULT([                   : ${JEMALLOC_PRIVATE_NAMESPACE}])
1726AC_MSG_RESULT([install_suffix     : ${install_suffix}])
1727AC_MSG_RESULT([autogen            : ${enable_autogen}])
1728AC_MSG_RESULT([cc-silence         : ${enable_cc_silence}])
1729AC_MSG_RESULT([debug              : ${enable_debug}])
1730AC_MSG_RESULT([code-coverage      : ${enable_code_coverage}])
1731AC_MSG_RESULT([stats              : ${enable_stats}])
1732AC_MSG_RESULT([prof               : ${enable_prof}])
1733AC_MSG_RESULT([prof-libunwind     : ${enable_prof_libunwind}])
1734AC_MSG_RESULT([prof-libgcc        : ${enable_prof_libgcc}])
1735AC_MSG_RESULT([prof-gcc           : ${enable_prof_gcc}])
1736AC_MSG_RESULT([tcache             : ${enable_tcache}])
1737AC_MSG_RESULT([fill               : ${enable_fill}])
1738AC_MSG_RESULT([utrace             : ${enable_utrace}])
1739AC_MSG_RESULT([valgrind           : ${enable_valgrind}])
1740AC_MSG_RESULT([xmalloc            : ${enable_xmalloc}])
1741AC_MSG_RESULT([munmap             : ${enable_munmap}])
1742AC_MSG_RESULT([lazy_lock          : ${enable_lazy_lock}])
1743AC_MSG_RESULT([tls                : ${enable_tls}])
1744AC_MSG_RESULT([cache-oblivious    : ${enable_cache_oblivious}])
1745AC_MSG_RESULT([===============================================================================])
1746