diff --git a/aclocal.m4 b/aclocal.m4 index 3a90d4f679..3e0bcdd12b 100644 --- a/aclocal.m4 +++ b/aclocal.m4 @@ -236,7 +236,13 @@ EOF -fPIC -shared -o conftest.so conftest.c 1>&AS_MESSAGE_LOG_FD]) then - libc_linker_feature=yes + if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp $2 -nostdlib \ + -nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \ + | grep "warning: $1 ignored" > /dev/null 2>&1; then + true + else + libc_linker_feature=yes + fi fi rm -f conftest* fi diff --git a/configure b/configure index 954bae803e..3f956cf777 100755 --- a/configure +++ b/configure @@ -6009,7 +6009,13 @@ EOF $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; } then - libc_linker_feature=yes + if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,-z,execstack -nostdlib \ + -nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \ + | grep "warning: -z execstack ignored" > /dev/null 2>&1; then + true + else + libc_linker_feature=yes + fi fi rm -f conftest* fi @@ -6039,7 +6045,13 @@ EOF $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; } then - libc_linker_feature=yes + if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,-z,start-stop-gc -nostdlib \ + -nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \ + | grep "warning: -z start-stop-gc ignored" > /dev/null 2>&1; then + true + else + libc_linker_feature=yes + fi fi rm -f conftest* fi @@ -6070,7 +6082,13 @@ EOF $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; } then - libc_linker_feature=yes + if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,--depaudit,x -nostdlib \ + -nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \ + | grep "warning: --depaudit ignored" > /dev/null 2>&1; then + true + else + libc_linker_feature=yes + fi fi rm -f conftest* fi @@ -6101,7 +6119,13 @@ EOF $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; } then - libc_linker_feature=yes + if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,--no-dynamic-linker -nostdlib \ + -nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \ + | grep "warning: --no-dynamic-linker ignored" > /dev/null 2>&1; then + true + else + libc_linker_feature=yes + fi fi rm -f conftest* fi