From 37a5a09e6505b28deb7cb4aaa5643950e4f892e9 Mon Sep 17 00:00:00 2001
From: Alexey Neyman <stilor@att.net>
Date: Sun, 8 Jan 2017 02:32:10 -0600
Subject: Add MacOS options.

Needed for linking gettext/libiconv.

Signed-off-by: Alexey Neyman <stilor@att.net>

diff --git a/scripts/crosstool-NG.sh.in b/scripts/crosstool-NG.sh.in
index 3495867..ba36bc8 100644
--- a/scripts/crosstool-NG.sh.in
+++ b/scripts/crosstool-NG.sh.in
@@ -496,6 +496,22 @@ if [ -z "${CT_RESTART}" ]; then
     CT_CFLAGS_FOR_BUILD+=" ${CT_EXTRA_CFLAGS_FOR_BUILD}"
     CT_LDFLAGS_FOR_BUILD="-L${CT_BUILDTOOLS_PREFIX_DIR}/lib"
     CT_LDFLAGS_FOR_BUILD+=" ${CT_EXTRA_LDFLAGS_FOR_BUILD}"
+
+    case "${CT_BUILD}" in
+        *darwin*)
+            # Two issues while building on MacOS. Really, we should be checking for
+            # clang instead.
+            # - gettext static library fails to link unless CoreFoundation framework
+            #   is included
+            # - ranlib on MacOS does not include common symbols into the symbol index
+            #   for a static library, and hence linker fails to pull in the right
+            #   archive members; hence, avoid common symbols. Alternative is to
+            #   have ranlib wrapper in buildtools/bin supply -c option.
+            CT_CFLAGS_FOR_BUILD+=" -fno-common"
+            CT_LDFLAGS_FOR_BUILD+=" -framework CoreFoundation"
+            ;;
+    esac
+
     CT_DoLog DEBUG "CFLAGS for build compiler: '${CT_CFLAGS_FOR_BUILD}'"
     CT_DoLog DEBUG "LDFLAGS for build compiler: '${CT_LDFLAGS_FOR_BUILD}'"
 
@@ -508,6 +524,13 @@ if [ -z "${CT_RESTART}" ]; then
     CT_CFLAGS_FOR_HOST+=" ${CT_EXTRA_CFLAGS_FOR_HOST}"
     CT_LDFLAGS_FOR_HOST="-L${CT_HOST_COMPLIBS_DIR}/lib"
     CT_LDFLAGS_FOR_HOST+=" ${CT_EXTRA_LDFLAGS_FOR_HOST}"
+    case "${CT_HOST}" in
+        *darwin*)
+            # Same as above, for host
+            CT_CFLAGS_FOR_HOST+=" -fno-common"
+            CT_LDFLAGS_FOR_HOST+=" -framework CoreFoundation"
+            ;;
+    esac
     CT_DoLog DEBUG "CFLAGS for host compiler: '${CT_CFLAGS_FOR_HOST}'"
     CT_DoLog DEBUG "LDFLAGS for host compiler: '${CT_LDFLAGS_FOR_HOST}'"
 
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