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Switch back to using -D for _POSIX_C_SOURCE and _XOPEN_SOURCE - solves build problem on Solaris 10

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darcs-hash:20060813030806-344c5-ad0eec62d3ce93d98adcad4b93318b06538eef95.gz
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netocrat 2006-08-13 13:08:06 +10:00
parent 51d7159ba7
commit 2b0d64184a
1 changed files with 11 additions and 8 deletions
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19
configure.ac
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@ -72,10 +72,6 @@ for i in /usr/pkg /sw /opt /opt/local; do
done
# These help out with getting better prototypes on some platforms
AC_DEFINE( _XOPEN_SOURCE, 600, [Macro to enable additional prototypes under Posix] )
AC_DEFINE( _POSIX_C_SOURCE, 200112L, [Macro to enable additional prototypes under Posix] )
AC_SUBST( optbindirs, $optbindirs )
# Tell autoconf to create config.h header
@ -107,15 +103,22 @@ else
AC_SUBST( XSEL_MAN_PATH,[ ])
fi
# These help out with getting better prototypes on some platforms
#
# Test if the compiler accepts the -std=c99 flag. If so, using it
# increases the odds of correct compilation, since we want to use the
# *wprintf functions, which where defined in C99.
#
# *wprintf functions, which where defined in C99. On some platforms
# (Solaris 10) adding -std=c99 in turn requires that _POSIX_C_SOURCE
# be defined to 200112L otherwise several POSIX-specific, non-ISO-C99
# types/prototypes are made unavailable e.g. siginfo_t. Finally,
# defining _XOPEN_SOURCE to 600 is compatible with the
# _POSIX_C_SOURCE value and provides a little assurance that
# extension functions' prototypes are available, e.g. killpg().
XCFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -std=c99"
AC_MSG_CHECKING(if -std=c99 works)
CFLAGS="$CFLAGS -std=c99 -D_XOPEN_SOURCE=600 -D_POSIX_C_SOURCE=200112L"
AC_MSG_CHECKING(if -std=c99 -D_XOPEN_SOURCE=600 -D_POSIX_C_SOURCE=200112L works)
AC_CACHE_VAL(local_cv_has__std_c99,[
AC_TRY_RUN([
#include <stdlib.h>