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openssh-portable
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- (djm) [aclocal.m4] Flesh out the code run in the OSSH_CHECK_CFLAG_COMPILE 

and OSSH_CHECK_LDFLAG_LINK tests to give them a better chance of
   detecting toolchain-related problems; ok dtucker
This commit is contained in:
Damien Miller 2014-01-21 13:10:26 +11:00
parent 9464ba6fb3
commit 5c96a154c7
2 changed files with 29 additions and 4 deletions
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3
ChangeLog
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@ -7,6 +7,9 @@
tests in the configure output. ok djm.
- (tim) [platform.c session.c] Fix bug affecting SVR5 platforms introduced
with sftp chroot support. Move set_id call after chroot.
- (djm) [aclocal.m4] Flesh out the code run in the OSSH_CHECK_CFLAG_COMPILE
and OSSH_CHECK_LDFLAG_LINK tests to give them a better chance of
detecting toolchain-related problems; ok dtucker
20140120
- (dtucker) [gss-serv-krb5.c] Fall back to krb5_cc_gen_new if the Kerberos

30
aclocal.m4 vendored
View File

@ -1,4 +1,4 @@
dnl $Id: aclocal.m4,v 1.11 2014/01/21 01:50:46 dtucker Exp $
dnl $Id: aclocal.m4,v 1.12 2014/01/21 02:10:27 djm Exp $
dnl
dnl OpenSSH-specific autoconf macros
dnl
@ -13,7 +13,18 @@ AC_DEFUN([OSSH_CHECK_CFLAG_COMPILE], [{
CFLAGS="$CFLAGS $WERROR $1"
_define_flag="$2"
test "x$_define_flag" = "x" && _define_flag="$1"
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int main(void) { return 0; }]])],
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <stdlib.h>
#include <stdio.h>
int main(int argc, char **argv) {
/* Some math to catch -ftrapv problems in the toolchain */
int i = 123 * argc, j = 456 + argc, k = 789 - argc;
float l = i * 2.1;
double m = l / 0.5;
printf("%d %d %d %f %f\n", i, j, k, l, m);
exit(0);
}
]])],
[
if `grep -i "unrecognized option" conftest.err >/dev/null`
then
@ -28,7 +39,7 @@ fi],
)
}])
dnl OSSH_CHECK_CFLAG_LINK(check_flag[, define_flag])
dnl OSSH_CHECK_LDFLAG_LINK(check_flag[, define_flag])
dnl Check that $LD accepts a flag 'check_flag'. If it is supported append
dnl 'define_flag' to $LDFLAGS. If 'define_flag' is not specified, then append
dnl 'check_flag'.
@ -38,7 +49,18 @@ AC_DEFUN([OSSH_CHECK_LDFLAG_LINK], [{
LDFLAGS="$LDFLAGS $WERROR $1"
_define_flag="$2"
test "x$_define_flag" = "x" && _define_flag="$1"
AC_LINK_IFELSE([AC_LANG_SOURCE([[int main(void) { return 0; }]])],
AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <stdlib.h>
#include <stdio.h>
int main(int argc, char **argv) {
/* Some math to catch -ftrapv problems in the toolchain */
int i = 123 * argc, j = 456 + argc, k = 789 - argc;
float l = i * 2.1;
double m = l / 0.5;
printf("%d %d %d %f %f\n", i, j, k, l, m);
exit(0);
}
]])],
[ AC_MSG_RESULT([yes])
LDFLAGS="$saved_LDFLAGS $_define_flag"],
[ AC_MSG_RESULT([no])