Use CCLINKFLAGS for linking all executables and shared libraries

This allows packagers to set additional linker flags for executables and shared
libraries created by OCaml, and for the OCaml tools themselves.
OCaml code can be linked with various C stubs and C libraries that would
benefit from using hardening link flags, such as -Wl,-z,relro.

Origin: other
Bug-Debian: https://bugs.debian.org/702349
Forwarded: no
Last-Update: <2021-12-21>

Gbp-Pq: Name 0002-Use-CCLINKFLAGS-for-linking-all-executables-and-shar.patch

diff --git a/configure.ac b/configure.ac
index 0c9d63859a96cbee10a74a843e9544be1ddf2438..c62f23d709d923086dfec275255a1e1ecb886889 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1249,6 +1249,10 @@ AS_CASE([$host],
     [oc_ldflags="$oc_ldflags -Wl,-z,nobtcfi"
      natdynlinkopts="$natdynlinkopts -Wl,-z,nobtcfi"])
 
+# Use CCLINKFLAGS for linking all executables and shared libraries
+
+mksharedlib="$mksharedlib $CCLINKFLAGS"
+mkexe="$mkexe $CCLINKFLAGS"
 
 # Configure native dynlink