build-toolchain: add --no-68k, --no-ppc, --no-carbon flags.

build-toolchain.sh

@@ -23,11 +23,25 @@ PREFIX=`pwd -P`/toolchain/
 BINUTILS=`pwd -P`/binutils-build
 
 CMAKEONLY=false
+BUILD_68K=true
+BUILD_PPC=true
+BUILD_CARBON=true
+
 for ARG in $*; do
 	case $ARG in
 		--cmakeonly)
 				CMAKEONLY=true
 			;;
+		--no-68k)
+				BUILD_68K=false
+			;;
+		--no-ppc)
+				BUILD_PPC=false
+				BUILD_CARBON=false
+			;;
+		--no-carbon)
+				BUILD_CARBON=false
+			;;
 		*)
 			echo "unknown option $ARG"
 			exit 1
@@ -35,16 +49,29 @@ for ARG in $*; do
 	esac
 done
 
+ARCHS=""
+if [ $BUILD_68K != false ]; then
+	ARCHS="$ARCHS m68k"
+fi
+if [ $BUILD_PPC != false ]; then
+	ARCHS="$ARCHS powerpc"
+fi
+
+
 if [ $CMAKEONLY != true ]; then
 
 # Remove old install tree
 rm -rf toolchain
 mkdir -p toolchain
 
+
+if [ $BUILD_68K != false ]; then
+	
+export "CFLAGS=-Wno-error"
+
 # Build binutils for 68K
 mkdir -p binutils-build
 cd binutils-build
-export "CFLAGS=-Wno-error"
 $SRC/binutils/configure --target=m68k-apple-macos --prefix=$PREFIX --disable-doc
 make -j8
 make install
@@ -60,6 +87,11 @@ make install
 cd ..
 
 unset CFLAGS
+
+fi
+
+if [ $BUILD_PPC != false ]; then
+
 # Build binutils for PPC
 mkdir -p binutils-build-ppc
 cd binutils-build-ppc
@@ -76,6 +108,10 @@ make -j8
 make install
 cd ..
 
+fi
+
+if [ $BUILD_68K != false ]; then
+
 # Install elf.h (for elf2flt)
 mkdir -p $PREFIX/include
 cp $SRC/elf.h $PREFIX/include/
@@ -89,9 +125,13 @@ $SRC/elf2flt/configure --target=m68k-apple-macos --prefix=$PREFIX --with-binutil
 make -j8 TOOLDIR=$PREFIX/bin
 make install
 unset CFLAGS
+unset CPPFLAGS
 cd ..
 
+fi
+
 # Build hfsutil
+mkdir -p $PREFIX/lib
 mkdir -p $PREFIX/man/man1
 rm -rf hfsutils
 cp -r $SRC/hfsutils .
@@ -102,13 +142,15 @@ make install
 cd ..
 
 # Install Universal Interfaces
-for arch in m68k powerpc; do
+for arch in $ARCHS; do
 	sh "$SRC/prepare-headers.sh" "$SRC/CIncludes" toolchain/${arch}-apple-macos/include
 	mkdir -p toolchain/${arch}-apple-macos/RIncludes
 	sh "$SRC/prepare-rincludes.sh" "$SRC/RIncludes" toolchain/${arch}-apple-macos/RIncludes
 done
 
-cp $SRC/ImportLibraries/*.a toolchain/powerpc-apple-macos/lib/
+if [ $BUILD_PPC != false ]; then
+	cp $SRC/ImportLibraries/*.a toolchain/powerpc-apple-macos/lib/
+fi
 
 fi # CMAKEONLY
 
@@ -120,11 +162,12 @@ cd ..
 make -C build-host install
 
 	# create an empty libretrocrt.a so that cmake's compiler test doesn't fail
-for arch in m68k powerpc; do
+for arch in $ARCHS; do
 	$PREFIX/bin/${arch}-apple-macos-ar cqs $PREFIX/${arch}-apple-macos/lib/libretrocrt.a
 done
 	# the real libretrocrt.a is built and installed by `make -C build-target install` later
 
+if [ $BUILD_68K != false ]; then
 # Build target-based components for 68K
 mkdir -p build-target
 cd build-target
@@ -132,7 +175,9 @@ cmake ${SRC} -DCMAKE_TOOLCHAIN_FILE=../build-host/cmake/intree.toolchain.cmake \
 			 -DCMAKE_BUILD_TYPE=Release
 cd ..
 make -C build-target install
+fi
 
+if [ $BUILD_PPC != false ]; then
 # Build target-based components for PPC
 mkdir -p build-target-ppc
 cd build-target-ppc
@@ -140,7 +185,9 @@ cmake ${SRC} -DCMAKE_TOOLCHAIN_FILE=../build-host/cmake/intreeppc.toolchain.cmak
 			 -DCMAKE_BUILD_TYPE=Release
 cd ..
 make -C build-target-ppc install
+fi
 
+if [ $BUILD_CARBON != false ]; then
 # Build target-based components for Carbon
 mkdir -p build-target-carbon
 cd build-target-carbon
@@ -148,3 +195,4 @@ cmake ${SRC} -DCMAKE_TOOLCHAIN_FILE=../build-host/cmake/intreecarbon.toolchain.c
 			 -DCMAKE_BUILD_TYPE=Release
 cd ..
 make -C build-target-carbon install
+fi