From de848d9e9146434817c65d74d1d0313e9d729462 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 27 Apr 2024 14:01:37 +0200
Subject: Adding upstream version 1.4.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 m4/ld-no-undefined.m4 | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 m4/ld-no-undefined.m4

(limited to 'm4/ld-no-undefined.m4')

diff --git a/m4/ld-no-undefined.m4 b/m4/ld-no-undefined.m4
new file mode 100644
index 0000000..b6db946
--- /dev/null
+++ b/m4/ld-no-undefined.m4
@@ -0,0 +1,24 @@
+# ld-no-undefined.m4 serial 1
+
+# Test if ld supports --no-undefined
+
+AC_DEFUN([PAM_LD_NO_UNDEFINED],
+  [
+    AC_CACHE_CHECK(whether ld supports --no-undefined,
+      pam_cv_ld_no_undefined, [ dnl
+    cat > conftest.c <<EOF
+int main (void) { return 0; }
+EOF
+     if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
+                                 -o conftest.o conftest.c
+                                 -Wl,--no-undefined 1>&AS_MESSAGE_LOG_FD])
+  then
+    pam_cv_ld_no_undefined=yes
+    LDFLAGS="$LDFLAGS -Wl,--no-undefined"
+  else
+    pam_cv_ld_no_undefined=no
+  fi
+  rm -f conftest*])
+  AC_SUBST(pam_cv_ld_no_undefined)
+  ]
+)
-- 
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