File 75151df21a19e7182c09ae0118379fae890bdf5b.patch of Package google-authenticator-libpam

commit 75151df21a19e7182c09ae0118379fae890bdf5b
Author: Johannes Segitz <jsegitz@suse.de>
Date:   Mon Nov 10 17:34:57 2025 +0100

    Detect and use libselinux if available

diff --git a/Makefile.am b/Makefile.am
index 18359f7..911d146 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -12,7 +12,7 @@ pam_LTLIBRARIES   = pam_google_authenticator.la
 dist_doc_DATA  = FILEFORMAT README.md
 dist_html_DATA = totp.html
 
-MODULES_LDFLAGS = -avoid-version -module -shared -export-dynamic -lselinux
+MODULES_LDFLAGS = -avoid-version -module -shared -export-dynamic $(SELINUX_LIBS)
 
 CORE_SRC  = src/util.h   src/util.c
 CORE_SRC += src/base32.h src/base32.c
diff --git a/configure.ac b/configure.ac
index 881b00b..e4b2839 100644
--- a/configure.ac
+++ b/configure.ac
@@ -72,6 +72,30 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 
 AC_LANG_POP(C)
 
+# SELinux support (optional)
+AC_ARG_ENABLE([selinux],
+    AS_HELP_STRING([--disable-selinux], [Disable SELinux support]),
+    [enable_selinux=$enableval],
+    [enable_selinux=auto])
+
+SELINUX_LIBS=""
+have_selinux=no
+
+if test "x$enable_selinux" != "xno"; then
+    PKG_CHECK_MODULES([SELINUX], [libselinux], [
+        have_selinux=yes
+        SELINUX_LIBS="-lselinux"
+        AC_DEFINE([HAVE_SELINUX], [1], [Define if SELinux is available])
+    ], [
+        if test "x$enable_selinux" = "xyes"; then
+            AC_MSG_ERROR([SELinux support requested but libselinux not found])
+        fi
+        have_selinux=no
+    ])
+fi
+
+AC_SUBST([SELINUX_LIBS])
+AM_CONDITIONAL([HAVE_SELINUX], [test "x$have_selinux" = "xyes"])
 
 
 AC_SEARCH_LIBS([dlopen], [dl])