X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=configure;h=bab25016a1162ecadf3e965a083d37594ac179d5;hp=6f0bfeac2d290178a373b4f8c7522dabd3477d0f;hb=fe8eeaf4a576b4cad2ec4faee8d5e373118771f8;hpb=8753b9defa14bdc320ccb3b57b01a4ee7b81df00

diff --git a/configure b/configure
index 6f0bfeac..bab25016 100755
--- a/configure
+++ b/configure
@@ -290,7 +290,6 @@ elif [ $uname = "Linux" ] ; then
     linker_resolves_library_dependencies=1
     ldconfig_paths=$(/sbin/ldconfig -N -X -v 2>/dev/null | sed -n -e 's,^\(/.*\):\( (.*)\)\?$,\1,p')
     for path in $ldconfig_paths; do
-	echo "Checking $path compared to $libdir_expanded"
 	if [ "$path" = "$libdir_expanded" ]; then
 	    libdir_in_ldconfig=1
 	fi
@@ -400,6 +399,17 @@ then
     rpath_ldflags="-Wl,--enable-new-dtags -Wl,-rpath,\$(libdir)"
 else
     printf "No (nothing to worry about).\n"
+    rpath_ldflags=""
+fi
+
+printf "Checking for -Wl,--as-needed... "
+if ${CC} -Wl,--as-needed -o minimal minimal.c >/dev/null 2>&1
+then
+    printf "Yes.\n"
+    as_needed_ldflags="-Wl,--as-needed"
+else
+    printf "No (nothing to worry about).\n"
+    as_needed_ldflags=""
 fi
 
 WARN_CXXFLAGS=""
@@ -535,6 +545,9 @@ TALLOC_LDFLAGS = ${talloc_ldflags}
 # Flags needed to have linker set rpath attribute
 RPATH_LDFLAGS = ${rpath_ldflags}
 
+# Flags needed to have linker link only to necessary libraries
+AS_NEEDED_LDFLAGS = ${as_needed_ldflags}
+
 # Whether valgrind header files are available
 HAVE_VALGRIND = ${have_valgrind}