Configuration: do not overwrite BASE_unix ex_libs in AIX

BASE_unix sets ex_libs to `-lz` based the on zlib linking.
AIX platforms overwrote this instead of adding to it.

CLA: Trivial

Signed-off-by: Attila Szakacs <attila.szakacs@oneidentity.com>
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/12271)

(cherry picked from commit b1f9db698011e5a178d53483eccfd0a44f132baf)

diff --git a/Configurations/10-main.conf b/Configurations/10-main.conf
index d61b9ee108c98a585df723a5cca75e09f1db9109..3b07731db8fcebb81e055b7e0be5c6d30531bfa8 100644 (file)
--- a/Configurations/10-main.conf
+++ b/Configurations/10-main.conf
@@ -1125,7 +1125,7 @@ my %targets = (
         CFLAGS           => picker(debug   => "-O0 -g",
                                    release => "-O"),
         cflags           => add(threads("-pthread")),
-        ex_libs          => threads("-pthread"),
+        ex_libs          => add(threads("-pthread")),
         bn_ops           => "BN_LLONG RC4_CHAR",
         perlasm_scheme   => "aix32",
         shared_ldflag    => add_before("-shared -static-libgcc"),
@@ -1138,7 +1138,7 @@ my %targets = (
         CFLAGS           => picker(debug   => "-O0 -g",
                                    release => "-O"),
         cflags           => combine("-maix64", threads("-pthread")),
-        ex_libs          => threads("-pthread"),
+        ex_libs          => add(threads("-pthread")),
         bn_ops           => "SIXTY_FOUR_BIT_LONG RC4_CHAR",
         perlasm_scheme   => "aix64",
         shared_ldflag    => add_before("-shared -static-libgcc"),
@@ -1154,7 +1154,7 @@ my %targets = (
         cflags           => combine("-q32 -qmaxmem=16384 -qro -qroconst",
                                     threads("-qthreaded")),
         cppflags         => threads("-D_THREAD_SAFE"),
-        ex_libs          => threads("-lpthreads"),
+        ex_libs          => add(threads("-lpthreads")),
         bn_ops           => "BN_LLONG RC4_CHAR",
         perlasm_scheme   => "aix32",
         shared_cflag     => "-qpic",
@@ -1169,7 +1169,7 @@ my %targets = (
         cflags           => combine("-q64 -qmaxmem=16384 -qro -qroconst",
                                     threads("-qthreaded")),
         cppflags         => threads("-D_THREAD_SAFE"),
-        ex_libs          => threads("-lpthreads"),
+        ex_libs          => add(threads("-lpthreads")),
         bn_ops           => "SIXTY_FOUR_BIT_LONG RC4_CHAR",
         perlasm_scheme   => "aix64",
         dso_scheme       => "dlfcn",