ext-SDL/build-scripts/clang++-fat.sh
Ryan C. Gordon 56e96254c2
build-scripts: modernized gcc-fat.sh for Big Sur and ARM64.
Put these in "clang-fat.sh" and "clang++-fat.sh" in case someone still needs
32-bit x86 support from the old scripts.

Fixes #4350.
2021-06-09 14:01:40 -04:00

103 lines
2.5 KiB
Bash
Executable File

#!/bin/sh
#
# Build Universal binaries on Mac OS X, thanks Ryan!
#
# Usage: ./configure CXX="sh clang++-fat.sh" && make && rm -rf arm64 x64
DEVELOPER="`xcode-select -print-path`/Platforms/MacOSX.platform/Developer"
# Intel 64-bit compiler flags (10.6 runtime compatibility)
CLANG_COMPILE_X64="clang++ -arch x86_64 -mmacosx-version-min=10.6 \
-I/usr/local/include"
CLANG_LINK_X64="-mmacosx-version-min=10.6"
# ARM 64-bit compiler flags (11.0 runtime compatibility)
CLANG_COMPILE_ARM64="clang++ -arch arm64 -mmacosx-version-min=11.0 \
-I/usr/local/include"
CLANG_LINK_ARM64="-mmacosx-version-min=11.0"
# Output both Intel and ARM object files
args="$*"
compile=yes
link=yes
while test x$1 != x; do
case $1 in
--version) exec clang++ $1;;
-v) exec clang++ $1;;
-V) exec clang++ $1;;
-print-prog-name=*) exec clang++ $1;;
-print-search-dirs) exec clang++ $1;;
-E) CLANG_COMPILE_ARM64="$CLANG_COMPILE_ARM64 -E"
CLANG_COMPILE_X64="$CLANG_COMPILE_X64 -E"
compile=no; link=no;;
-c) link=no;;
-o) output=$2;;
*.c|*.cc|*.cpp|*.S|*.m|*.mm) source=$1;;
esac
shift
done
if test x$link = xyes; then
CLANG_COMPILE_ARM64="$CLANG_COMPILE_ARM64 $CLANG_LINK_ARM64"
CLANG_COMPILE_X64="$CLANG_COMPILE_X64 $CLANG_LINK_X64"
fi
if test x"$output" = x; then
if test x$link = xyes; then
output=a.out
elif test x$compile = xyes; then
output=`echo $source | sed -e 's|.*/||' -e 's|\(.*\)\.[^\.]*|\1|'`.o
fi
fi
# Compile ARM 64-bit
if test x"$output" != x; then
dir=arm64/`dirname $output`
if test -d $dir; then
:
else
mkdir -p $dir
fi
fi
set -- $args
while test x$1 != x; do
if test -f "arm64/$1" && test "$1" != "$output"; then
arm64_args="$arm64_args arm64/$1"
else
arm64_args="$arm64_args $1"
fi
shift
done
$CLANG_COMPILE_ARM64 $arm64_args || exit $?
if test x"$output" != x; then
cp $output arm64/$output
fi
# Compile Intel 64-bit
if test x"$output" != x; then
dir=x64/`dirname $output`
if test -d $dir; then
:
else
mkdir -p $dir
fi
fi
set -- $args
while test x$1 != x; do
if test -f "x64/$1" && test "$1" != "$output"; then
x64_args="$x64_args x64/$1"
else
x64_args="$x64_args $1"
fi
shift
done
$CLANG_COMPILE_X64 $x64_args || exit $?
if test x"$output" != x; then
cp $output x64/$output
fi
if test x"$output" != x; then
lipo -create -o $output arm64/$output x64/$output
fi