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getpwuid: check for standards compliance (Solaris support)

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Add checks to "configure" to see whether _POSIX_PTHREAD_SEMANTICS needs
to be defined to get the right number of arguments in the prototypes for
getpwuid_r().  Solaris' default implementation conforms to POSIX.1c
Draft 6, rather than the final POSIX.1c spec.  The standards-compliant
version can be used by defining _POSIX_PTHREAD_SEMANTICS.

This change also adds the file "compat/check_getpwuid.c", which
configure uses to perform its check, and modifies compat/compat.h to
define _POSIX_PTHREAD_SEMANTICS if configure detected it was needed.

Signed-off-by: Vladimir Marek <vlmarek@volny.cz>
This commit is contained in:
Blake Jones 2013-08-16 16:38:14 +02:00 committed by David Bremner
parent e41cd1c518
commit 31c7001c99
3 changed files with 36 additions and 2 deletions
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11
compat/check_getpwuid.c Normal file
View file

@ -0,0 +1,11 @@
#include <stdio.h>
#include <pwd.h>
int main()
{
struct passwd passwd, *ignored;
(void) getpwuid_r (0, &passwd, NULL, 0, &ignored);
return (0);
}

4
compat/compat.h
View file

@ -30,6 +30,10 @@
extern "C" {
#endif
#if !STD_GETPWUID
#define _POSIX_PTHREAD_SEMANTICS 1
#endif
#if !HAVE_GETLINE
#include <stdio.h>
#include <unistd.h>

23
configure vendored
View file

@ -519,6 +519,17 @@ else
fi
rm -f compat/have_strcasestr
printf "Checking for standard version of getpwuid_r... "
if ${CC} -o compat/check_getpwuid "$srcdir"/compat/check_getpwuid.c > /dev/null 2>&1
then
printf "Yes.\n"
std_getpwuid=1
else
printf "No (will define _POSIX_PTHREAD_SEMANTICS to get it).\n"
std_getpwuid=0
fi
rm -f compat/check_getpwuid
printf "int main(void){return 0;}\n" > minimal.c
printf "Checking for rpath support... "
@ -681,6 +692,11 @@ HAVE_GETLINE = ${have_getline}
# build its own version)
HAVE_STRCASESTR = ${have_strcasestr}
# Whether the getpwuid_r function is standards-compliant
# (if not, then notmuch will #define _POSIX_PTHREAD_SEMANTICS
# to enable the standards-compliant version -- needed for Solaris)
STD_GETPWUID = ${std_getpwuid}
# Supported platforms (so far) are: LINUX, MACOSX, SOLARIS, FREEBSD, OPENBSD
PLATFORM = ${platform}
@ -725,10 +741,13 @@ WITH_ZSH = ${WITH_ZSH}
# Combined flags for compiling and linking against all of the above
CONFIGURE_CFLAGS = -DHAVE_GETLINE=\$(HAVE_GETLINE) \$(GMIME_CFLAGS) \\
\$(TALLOC_CFLAGS) -DHAVE_VALGRIND=\$(HAVE_VALGRIND) \\
\$(VALGRIND_CFLAGS) -DHAVE_STRCASESTR=\$(HAVE_STRCASESTR)
\$(VALGRIND_CFLAGS) \\
-DHAVE_STRCASESTR=\$(HAVE_STRCASESTR) \\
-DSTD_GETPWUID=\$(STD_GETPWUID)
CONFIGURE_CXXFLAGS = -DHAVE_GETLINE=\$(HAVE_GETLINE) \$(GMIME_CFLAGS) \\
\$(TALLOC_CFLAGS) -DHAVE_VALGRIND=\$(HAVE_VALGRIND) \\
\$(VALGRIND_CFLAGS) \$(XAPIAN_CXXFLAGS) \\
-DHAVE_STRCASESTR=\$(HAVE_STRCASESTR)
-DHAVE_STRCASESTR=\$(HAVE_STRCASESTR) \\
-DSTD_GETPWUID=\$(STD_GETPWUID)
CONFIGURE_LDFLAGS = \$(GMIME_LDFLAGS) \$(TALLOC_LDFLAGS) \$(XAPIAN_LDFLAGS)
EOF