cross-build: Add __weak_symbol definition for libdwarf bootstrap

Fixes: 3aa0bc89c6a1 ("libdwarf: Add a weak uncompress() symbol")
MFC after: 1 week

(cherry picked from commit d752d10e53839ad0654c9

cross-build: Add __weak_symbol definition for libdwarf bootstrap

Fixes: 3aa0bc89c6a1 ("libdwarf: Add a weak uncompress() symbol")
MFC after: 1 week

(cherry picked from commit d752d10e53839ad0654c9c564c6ef6c6e462c96d)

show more ...

cross-build: Provide _PASSWORD_EFMT1 for libcrypt on Linux

Linux's pwd.h does not define _PASSWORD_EFMT1 (macOS's does), so we need
to define it in order to be able to bootstrap libcrypt (crypt-des.

cross-build: Provide _PASSWORD_EFMT1 for libcrypt on Linux

Linux's pwd.h does not define _PASSWORD_EFMT1 (macOS's does), so we need
to define it in order to be able to bootstrap libcrypt (crypt-des.c uses
it) on non-FreeBSD, which will be done in a subsequent commit.

MFC after: 1 week

(cherry picked from commit e0cb1fe7dd34e9786320befa623b181d29d6bdf9)

show more ...

cross-build: Define crypt_data in unistd.h for libcrypt

This is where it's defined in the base system, so is where libcrypt
expects it to exist when being built, and will be needed when being
bootst

cross-build: Define crypt_data in unistd.h for libcrypt

This is where it's defined in the base system, so is where libcrypt
expects it to exist when being built, and will be needed when being
bootstrapped in a subsequent commit.

MFC after: 1 week

(cherry picked from commit 8ceba27a5d51e2fcc0ea547d5051bd859d15233c)

show more ...