diff options
Diffstat (limited to 'fontconfig/configure.ac')
-rw-r--r-- | fontconfig/configure.ac | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/fontconfig/configure.ac b/fontconfig/configure.ac index 1270ba5bf..870979df8 100644 --- a/fontconfig/configure.ac +++ b/fontconfig/configure.ac @@ -136,7 +136,23 @@ AC_TYPE_PID_T # Checks for library functions. AC_FUNC_VPRINTF AC_FUNC_MMAP -AC_CHECK_FUNCS([geteuid getuid link memmove memset mkstemp strchr strrchr strtol getopt getopt_long sysconf ftruncate chsize rand random lrand48 random_r rand_r regcomp regerror regexec regfree posix_fadvise fstatvfs fstatfs]) +AC_CHECK_FUNCS([geteuid getuid link memmove memset mkstemp strchr strrchr strtol getopt getopt_long sysconf ftruncate chsize rand random lrand48 random_r rand_r regcomp regerror regexec regfree fstatvfs fstatfs]) + +dnl AC_CHECK_FUNCS doesn't check for header files. +dnl posix_fadvise() may be not available in older libc. +fc_saved_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS $WARN_CFLAGS -Werror" +AC_MSG_CHECKING([for posix_fadvise]) +AC_LINK_IFELSE([AC_LANG_SOURCE([[ + #include <fcntl.h> + int main(void) { + return posix_fadvise(0, 0, 0, 0); + } + ]])],[ + AC_MSG_RESULT([yes]) + AC_DEFINE([HAVE_POSIX_FADVISE], [1], [Define to 1 if you have the `posix_fadvise' function.]) + ],[AC_MSG_RESULT([no])]) +CFLAGS="$fc_saved_CFLAGS" # if test "x$ac_cv_func_fstatvfs" = "xyes"; then |