if test "$have_glibc" = "yes"; then
AC_DEFINE([_GNU_SOURCE], [1],
[Enable GNU extensions on systems that have them.])
+ AC_DEFINE([HAVE_GLIBC], [1], [Define if libc is glibc])
AH_VERBATIM([_ALL_SOURCE], [dnl
/* WTF?! */
#ifndef _ALL_SOURCE
libc_version=""
AC_MSG_CHECKING(for standard C library version information)
- case "$ac_cv_build" in
- *-*-linux*)
- dnl #### who would ever _not_ be running the distro's libc?
- dnl Whose silly question is this? -hroptatyr
- dnl Maybe it would be better to get/augment this info with ldd?
- if test -f /etc/redhat-release ; then
- libc_version=`rpm -q glibc`
- elif test -f /etc/debian_version ; then
- libc_version=`dpkg-query --showformat='${version}' --show libc6`
- libc_version="GNU libc $libc_version (Debian)"
- elif test -f /etc/slackware-version ; then
- slackver=`cat /etc/slackware-version`
- libc_version=`/lib/libc.so.6|head -1|cut -d ' ' -f7|tr -d ,`
- if test "x$libc_version" = "x"; then
- libc_version=`/lib64/libc.so.6|head -1|cut -d ' ' -f7|tr -d ,`
- fi
- libc_version="GNU libc $libc_version ($slackver)"
- dnl need SuSE et al checks here...
- fi
- dnl #### Tested on Debian, does this actually work elsewhere? ;-)
- dnl #### NO! -hroptatyr
- dnl if test -z "$libc_version"; then
- dnl libc_version=`ls /lib/libc-*.so | sed -e 's,/lib/libc-\(.*\)\.so,\1,'`
- dnl fi
-
- if test -z "$libc_version"; then
+ if test "$have_glibc" = "yes"; then
AC_RUN_IFELSE([AC_LANG_SOURCE([[
-int main() { return 0; }]])], [dnl
-libc_file_we_use=`$LDD ./conftest | grep libc | sed -e "s/.*=>\(.*\) .*$/\1/"`],
- [],[libc_file_we_use=])
- libc_version=`$libc_file_we_use 2>/dev/null | sed "/version/q" | tr -cd "0-9.()"`
+#include <stdio.h>
+#include <gnu/libc-version.h>
+int main(void) { puts (gnu_get_libc_version()); return 0; }]])], [dnl
+libc_version=`./conftest`], [libc_version=""],
+ [AC_MSG_WARN([Cross-compiling? Good luck. Let us know how it goes.])])
+ if test -f /etc/os-release; then
+ source /etc/os-release
+ libc_version="GNU libc $libc_version (${PRETTY_NAME})"
+ else
+ libc_version="GNU libc $libc_version (Unknown OS)"
fi
- ;;
-
- *-*-aix*)
- libc_version="bos.rte.libc `lslpp -Lqc bos.rte.libc | cut -f3 -d:`"
- ;;
-
- *-*-solaris*)
- libc=`pkginfo -l SUNWcsl | grep VERSION: | awk '{print $2}'`
- libc_version="SUNWcsl $libc"
- ;;
-
- mips-sgi-irix*)
- libc_version="IRIX libc `uname -sRm`"
- ;;
-
- alpha*-dec-osf*)
- dnl Another ugly case
- (cd /usr/.smdb.;
- libc_version=` grep -h libc.so *.inv | awk '$9 == "f" {print $12}' | tr '\n' ','`
- )
- ;;
-
- *-apple-darwin*)
- dnl MacOS guys, does this work?
- libc_version="`$LDD /usr/lib/libc.dylib | head -n1 | sed -e 's/.*current version[ ]*\([0-9.]*\).*$/\1/'`"
- ;;
+ fi
- *)
- libc_version=""
- ;;
- esac
+ dnl Amazingly some people don't run Linux, or so I'm told. --SY
+ if test -z "$libc_version"; then
+ case "$ac_cv_build" in
+ *-*-aix*)
+ libc_version="bos.rte.libc `lslpp -Lqc bos.rte.libc | cut -f3 -d:`"
+ ;;
+
+ *-*-solaris*)
+ libc=`pkginfo -l SUNWcsl | grep VERSION: | awk '{print $2}'`
+ libc_version="SUNWcsl $libc"
+ ;;
+
+ mips-sgi-irix*)
+ libc_version="IRIX libc `uname -sRm`"
+ ;;
+
+ alpha*-dec-osf*)
+ dnl Another ugly case
+ (cd /usr/.smdb.;
+ libc_version=` grep -h libc.so *.inv | awk '$9 == "f" {print $12}' | tr '\n' ','`
+ )
+ ;;
+
+ *-apple-darwin*)
+ dnl MacOS guys, does this work?
+ libc_version="`$LDD /usr/lib/libc.dylib | head -n1 | sed -e 's/.*current version[ ]*\([0-9.]*\).*$/\1/'`"
+ ;;
+
+ *)
+ libc_version=""
+ ;;
+ esac
+ fi
AC_MSG_RESULT($libc_version)
## checks for typedefs
AC_TYPE_INT16_T
AC_TYPE_INT32_T
+ AC_TYPE_INT64_T
AC_TYPE_INT8_T
AC_TYPE_MODE_T
AC_TYPE_OFF_T
AC_TYPE_PID_T
+ AC_TYPE_INTPTR_T
## next one is obsolete, it is safe to assume that RETSIGTYPE
## is always `void' these days
dnl AC_TYPE_SIGNAL
AC_CHECK_SIZEOF([long long int], [0])
AC_CHECK_SIZEOF([wchar_t], [0])
AC_CHECK_SIZEOF([void *], [0])
+ AC_CHECK_SIZEOF([float], [0])
AC_CHECK_SIZEOF([double], [0])
AC_CHECK_SIZEOF([long double], [0])
AC_CHECK_SIZEOF([size_t], [0])
])dnl SXE_CHECK_SIGNALS
AC_DEFUN([SXE_CHECK_INTPTR_T], [dnl
- dnl not AC_CHECK_TYPE; lisp.h does hairy conditional typedef
- dnl why not? let's test it...
SXE_CHECK_HEADERS([inttypes.h])
AC_CHECK_TYPE([intptr_t], [], [], [
#if defined HAVE_SYS_TYPES_H
projects / sxemacs / blobdiff