From 317c3f1dea369897335d91a716112a8455d43d10 Mon Sep 17 00:00:00 2001 From: Xavier Roche Date: Tue, 10 Jan 2023 19:37:27 +0100 Subject: Add -fstack-protector, -Wl,-z,relro, -Wl,-z,noexecstack --- configure.ac | 3 +++ 1 file changed, 3 insertions(+) diff --git a/configure.ac b/configure.ac index 409192e..dd5db13 100644 --- a/configure.ac +++ b/configure.ac @@ -74,8 +74,11 @@ AX_CHECK_COMPILE_FLAG([-Wmissing-parameter-type], [DEFAULT_CFLAGS="$DEFAULT_CFLA AX_CHECK_COMPILE_FLAG([-Wold-style-definition], [DEFAULT_CFLAGS="$DEFAULT_CFLAGS -Wold-style-definition"]) AX_CHECK_COMPILE_FLAG([-Wignored-qualifiers], [DEFAULT_CFLAGS="$DEFAULT_CFLAGS -Wignored-qualifiers"]) AX_CHECK_COMPILE_FLAG([-fstrict-aliasing -Wstrict-aliasing], [DEFAULT_CFLAGS="$DEFAULT_CFLAGS -fstrict-aliasing -Wstrict-aliasing"]) +AX_CHECK_COMPILE_FLAG([-fstack-protector], [DEFAULT_CFLAGS="$DEFAULT_CFLAGS -fstack-protector"]) AX_CHECK_LINK_FLAG([-Wl,--discard-all], [DEFAULT_LDLAGS="$DEFAULT_LDLAGS -Wl,--discard-all"]) AX_CHECK_LINK_FLAG([-Wl,--no-undefined], [DEFAULT_LDLAGS="$DEFAULT_LDLAGS -Wl,--no-undefined"]) +AX_CHECK_LINK_FLAG([-Wl,-z,relro -Wl,-z,now], [DEFAULT_LDLAGS="$DEFAULT_LDLAGS -Wl,-z,relro -Wl,-z,now"]) +AX_CHECK_LINK_FLAG([-Wl,-z,noexecstack], [DEFAULT_LDLAGS="$DEFAULT_LDLAGS -Wl,-z,noexecstack"]) ## Export all symbols for backtraces AX_CHECK_COMPILE_FLAG([-rdynamic], [DEFAULT_CFLAGS="$DEFAULT_CFLAGS -rdynamic"]) -- cgit v1.2.3