From be720b96c191e83c5eab4d6febe3b68b2aa1fae5 Mon Sep 17 00:00:00 2001
From: Juha Laukkanen <jlaukkanen@iki.fi>
Date: Tue, 17 Nov 2015 19:25:12 +0200
Subject: [PATCH] Added OSX Darwin v13+ cmake files.

---
 build.sh                                 | 25 +++++++++++++++++-------
 cmake/darwin13-compiler-i386-clang.cmake | 20 +++++++++++++++++++
 2 files changed, 38 insertions(+), 7 deletions(-)
 create mode 100644 cmake/darwin13-compiler-i386-clang.cmake

diff --git a/build.sh b/build.sh
index be3f2c60fe..2500837a0d 100755
--- a/build.sh
+++ b/build.sh
@@ -26,6 +26,21 @@ CoverityBuild=0
 cppcheck=0
 clangTidy=0
 
+if [[ $(uname -s) == 'Darwin' ]]; then
+    ncpu=$(sysctl -n hw.ncpu)
+    release=$(uname -r)
+    if [[ ${release:0:2} -lt 13 ]]; then
+        echo "This old OSX version is not supported! Build will fail."
+        toolfile=cmake/darwin-compiler-i386-clang.cmake
+    else
+        echo "Using Mavericks build with C++11 support."
+        toolfile=cmake/darwin13-compiler-i386-clang.cmake
+    fi
+else
+    ncpu=$(grep -w -c processor /proc/cpuinfo)
+    toolfile=cmake/linux-compiler-i386-multilib.cmake
+fi
+
 for ARG in "$@"; do
     case "$ARG" in
         --clean             ) cleanBuild=1 ;;
@@ -44,7 +59,7 @@ for ARG in "$@"; do
         --wx28              ) flags+=(-DWX28_API=TRUE) ;;
         --gtk3              ) flags+=(-DGTK3_API=TRUE) ;;
         --no-simd           ) flags+=(-DDISABLE_ADVANCE_SIMD=TRUE) ;;
-        --cross-multilib    ) flags+=(-DCMAKE_TOOLCHAIN_FILE=cmake/linux-compiler-i386-multilib.cmake); useCross=1; ;;
+        --cross-multilib    ) flags+=(-DCMAKE_TOOLCHAIN_FILE=$toolfile); useCross=1; ;;
         --no-cross-multilib ) useCross=0; ;;
         --coverity          ) CoverityBuild=1; cleanBuild=1; ;;
         -D*                 ) flags+=($ARG) ;;
@@ -98,7 +113,7 @@ fi
 
 if [[ "$useCross" -eq 2 ]] && [[ "$(getconf LONG_BIT 2> /dev/null)" != 32 ]]; then
     echo "Forcing cross compilation."
-    flags+=(-DCMAKE_TOOLCHAIN_FILE=cmake/linux-compiler-i386-multilib.cmake)
+    flags+=(-DCMAKE_TOOLCHAIN_FILE=$toolfile)
 elif [[ "$useCross" -ne 1 ]]; then
     useCross=0
 fi
@@ -125,11 +140,7 @@ else
     cmake "${flags[@]}" $root 2>&1 | tee -a $log
 fi
 
-if [[ $(uname -s) == 'Darwin' ]]; then
-    ncpu=$(sysctl -n hw.ncpu)
-else
-    ncpu=$(grep -w -c processor /proc/cpuinfo)
-fi
+
 
 ############################################################
 # CPP check build
diff --git a/cmake/darwin13-compiler-i386-clang.cmake b/cmake/darwin13-compiler-i386-clang.cmake
new file mode 100644
index 0000000000..40785dbd7f
--- /dev/null
+++ b/cmake/darwin13-compiler-i386-clang.cmake
@@ -0,0 +1,20 @@
+# Tell cmake we are cross compiling and targeting darwin
+#set(CMAKE_SYSTEM_NAME Darwin)
+#set(CMAKE_SYSTEM_PROCESSOR i686)
+
+# Use clang and target i686-apple-darwin13.0.0 (Mavericks)
+set(CMAKE_C_COMPILER clang -m32)
+#set(CMAKE_C_COMPILER_TARGET i686-apple-darwin13.0.0)
+set(CMAKE_CXX_COMPILER clang++ -m32)
+#set(CMAKE_CXX_COMPILER_TARGET i686-apple-darwin13.0.0)
+
+#set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpmath=sse -msse2")
+#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpmath=sse -msse2")
+
+# If given a CMAKE_FIND_ROOT_PATH then
+# FIND_PROGRAM ignores CMAKE_FIND_ROOT_PATH (probably can't run)
+# FIND_{LIBRARY,INCLUDE,PACKAGE} only uses the files in CMAKE_FIND_ROOT_PATH.
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)