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 ebb8bbdb804e8cecfcf69e8c15b98d953d9da677..d27d47bce265e38d1c33f30fd9f1637a8e56ce65 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -987,6 +987,9 @@ AS_IF([test x"$enable_shared" != "xno"],
       natdynlinkopts="-Wl,-E"
       supports_shared_libraries=true])])
 
+mksharedlib="$mksharedlib $CCLINKFLAGS"
+mkexe="$mkexe $CCLINKFLAGS"
+
 AS_IF([test -z "$mkmaindll"], [mkmaindll=$mksharedlib])
 
 # Configure native dynlink