Allow building position-independent executables. #981, patch from brainsmoke.

1 files changed, 15 insertions, 0 deletions

diff --git a/configure b/configure
index a1bcda49..c1d64dd1 100755
--- a/configure
+++ b/configure
@@ -41,6 +41,8 @@ events=glib
 ldap=0
 ssl=auto
 
+pie=1
+
 arch=`uname -s`
 cpu=`uname -m`
 
@@ -79,6 +81,7 @@ Option		Description				Default
 
 --debug=0/1	Disable/enable debugging		$debug
 --strip=0/1	Disable/enable binary stripping		$strip
+--pie=0/1       Build position independent executable   $pie
 --gcov=0/1	Disable/enable test coverage reporting	$gcov
 --plugins=0/1	Disable/enable plugins support		$plugins
 --otr=0/1/auto/plugin
@@ -90,6 +93,7 @@ Option		Description				Default
 --ssl=...	SSL library to use (gnutls, nss, openssl, bogus, auto)
 							$ssl
 
+
 --target=...	Cross compilation target 		same as host
 EOF
 		exit;
@@ -199,6 +203,11 @@ else
 	[ -z "$CFLAGS" ] && CFLAGS="-O2 -fno-strict-aliasing"
 fi
 
+if [ "$pie" = "1" ]; then
+	echo 'CFLAGS_BITLBEE=-fPIE' >> Makefile.settings
+	echo 'LDFLAGS_BITLBEE=-pie' >> Makefile.settings
+fi
+
 echo CFLAGS=$CFLAGS $CPPFLAGS >> Makefile.settings
 echo CFLAGS+=-I${srcdir} -I${srcdir}/lib -I${srcdir}/protocols -I. >> Makefile.settings
 
@@ -747,6 +756,12 @@ else
 	echo '  Debugging disabled.'
 fi
 
+if [ "$pie" = "1" ]; then
+	echo '  Building PIE executable'
+else
+	echo '  Building non-PIE executable'
+fi
+
 if [ "$strip" = "1" ]; then
 	echo '  Binary stripping enabled.'
 else