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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 14:22:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 14:22:51 +0000
commit9ada0093e92388590c7368600ca4e9e3e376f0d0 (patch)
treea56fe41110023676d7082028cbaa47ca4b6e6164 /m4/ld-z-now.m4
parentInitial commit. (diff)
downloadpam-9ada0093e92388590c7368600ca4e9e3e376f0d0.tar.xz
pam-9ada0093e92388590c7368600ca4e9e3e376f0d0.zip
Adding upstream version 1.5.2.upstream/1.5.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'm4/ld-z-now.m4')
-rw-r--r--m4/ld-z-now.m416
1 files changed, 16 insertions, 0 deletions
diff --git a/m4/ld-z-now.m4 b/m4/ld-z-now.m4
new file mode 100644
index 0000000..1bc8259
--- /dev/null
+++ b/m4/ld-z-now.m4
@@ -0,0 +1,16 @@
+#!/usr/bin/m4
+dnl Check whether ld supports "-z now"
+
+AC_DEFUN([PAM_LD_Z_NOW], [dnl
+ AC_CACHE_CHECK([whether ld supports "-z now"],
+ [pam_cv_ld_z_now],
+ [saved_LDFLAGS="$LDFLAGS"
+ LDFLAGS="$LDFLAGS -Wl,-z,now"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM(,)],
+ [pam_cv_ld_z_now=yes],
+ [pam_cv_ld_z_now=no])
+ LDFLAGS="$saved_LDFLAGS"])
+ AS_IF([test $pam_cv_ld_z_now = yes],
+ [ZNOW_LDFLAGS="-Wl,-z,now"],
+ [ZNOW_LDFLAGS=])
+])