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 3698c7cbf6e5e5a539899f4659b54f93b345e2fb..ac8a080af96171630cd9ff1210e3b6eefd576864 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -984,6 +984,9 @@ AS_IF([test x"$enable_shared" != "xno"],
       natdynlinkopts="-Wl,-E"
       shared_libraries_supported=true])])
 
+mksharedlib="$mksharedlib $CCLINKFLAGS"
+mkexe="$mkexe $CCLINKFLAGS"
+
 AS_IF([test -z "$mkmaindll"], [mkmaindll=$mksharedlib])
 
 # Configure native dynlink