Commit 51521153 authored by Akira TAGOH's avatar Akira TAGOH
Browse files

Simplify to validate the availability of posix_fadvise

parent 59fd9960
......@@ -152,18 +152,10 @@ AC_CHECK_FUNCS([link mkstemp mkostemp _mktemp_s mkdtemp getopt getopt_long getpr
dnl AC_CHECK_FUNCS doesn't check for header files.
dnl posix_fadvise() may be not available in older libc.
AC_CHECK_SYMBOL([posix_fadvise], [fcntl.h], [fc_func_posix_fadvise=1], [fc_func_posix_fadvise=0])
AC_DEFINE_UNQUOTED([HAVE_POSIX_FADVISE], [$fc_func_posix_fadvise], [Define to 1 if you have the 'posix_fadivse' function.])
fc_saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $WARN_CFLAGS -Werror"
AC_MSG_CHECKING([for posix_fadvise])
AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <fcntl.h>
int main(void) {
return posix_fadvise(0, 0, 0, 0);
}
]])],[
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_POSIX_FADVISE], [1], [Define to 1 if you have the 'posix_fadvise' function.])
],[AC_MSG_RESULT([no])])
if test "$os_win32" = "no"; then
AC_MSG_CHECKING([for scandir])
AC_LINK_IFELSE([AC_LANG_SOURCE([[
......
dnl @synopsis AC_CHECK_SYMBOL(SYMBOL, HEADER... [,ACTION-IF-FOUND [,ACTION-IF-NOT-FOUND]])
dnl
dnl a wrapper around AC_EGREP_HEADER the shellvar $ac_found will hold
dnl the HEADER-name that had been containing the symbol. This value is
dnl shown to the user.
dnl
dnl @category C
dnl @author Guido U. Draheim <guidod@gmx.de>
dnl @version 2006-10-13
dnl @license GPLWithACException
AC_DEFUN([AC_CHECK_SYMBOL],
[AC_MSG_CHECKING([for $1 in $2])
AC_CACHE_VAL(ac_cv_func_$1,
[AC_REQUIRE_CPP()dnl
changequote(, )dnl
symbol="[^a-zA-Z_0-9]$1[^a-zA-Z_0-9]"
changequote([, ])dnl
ac_found=no
for ac_header in $2 ; do
ac_safe=`echo "$ac_header" | sed 'y%./+-%__p_%' `
if test $ac_found != "yes" ; then
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
AC_EGREP_HEADER( $symbol, $ac_header, [ac_found="$ac_header"] )
fi
fi
done
if test "$ac_found" != "no" ; then
AC_MSG_RESULT($ac_found)
ifelse([$3], , :, [$3])
else
AC_MSG_RESULT(no)
ifelse([$4], , , [$4
])dnl
fi
])])
dnl AC_CHECK_SYMBOLS( symbol..., header... [, action-if-found [, action-if-not-found]])
AC_DEFUN([AC_CHECK_SYMBOLS],
[for ac_func in $1
do
P4_CHECK_SYMBOL($ac_func, $2,
[changequote(, )dnl
ac_tr_func=HAVE_`echo $ac_func | sed -e 'y:abcdefghijklmnopqrstuvwxyz:ABCDEFGHIJKLMNOPQRSTUVWXYZ:' -e 's:[[^A-Z0-9]]:_:'`
changequote([, ])dnl
AC_DEFINE_UNQUOTED($ac_tr_func) $2], $3)dnl
done
])
......@@ -573,7 +573,7 @@ FcDirCacheMapFd (int fd, struct stat *fd_stat, struct stat *dir_stat)
{
#if defined(HAVE_MMAP) || defined(__CYGWIN__)
cache = mmap (0, fd_stat->st_size, PROT_READ, MAP_SHARED, fd, 0);
#if defined(HAVE_POSIX_FADVISE) && defined(POSIX_FADV_WILLNEED)
#if (HAVE_POSIX_FADVISE) && defined(POSIX_FADV_WILLNEED)
posix_fadvise (fd, 0, fd_stat->st_size, POSIX_FADV_WILLNEED);
#endif
if (cache == MAP_FAILED)
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment