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m32 toolchain build script: fix parallel build
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the attached patch makes 'make -j $N' work for
compile-lm32-rtems/Makefile.  Also removes unnccessary subshell parens
(..).  Just tested 'make -j4', finished without errors.
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David Kuehling authored and Xiangfu Liu committed Feb 3, 2012
1 parent 19b6829 commit d05e77c
Showing 1 changed file with 32 additions and 24 deletions.
56 changes: 32 additions & 24 deletions compile-lm32-rtems/Makefile
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Expand Up @@ -50,51 +50,54 @@ DL=$(if $(wildcard ../dl/.),../dl,dl)
RTEMS_PATCHES_DIR=rtems-patches
MM1_PATCHES_DIR=milkymist-one-patches

.PHONY: all clean

# make sure this rule stays at top
all: .install.gdb.ok .install.gcc.ok

.PHONY: all clean

.install.gcc.ok: .compile.gcc.ok
(cd b-gcc && make install)
$(MAKE) -C b-gcc install
touch $@

.compile.gcc.ok: .install.binutils.ok .patch.ok gcc-$(GCC_CORE_VERSION)/newlib
export PATH=$(RTEMS_PREFIX)/bin:$$PATH
mkdir -p b-gcc
(cd b-gcc/ && \
cd b-gcc/ && \
../gcc-$(GCC_CORE_VERSION)/configure --target=lm32-rtems4.11 \
--with-gnu-as --with-gnu-ld --with-newlib --verbose \
--enable-threads --enable-languages="c" --disable-shared \
--prefix=$(RTEMS_PREFIX) && \
make all info)
--prefix=$(RTEMS_PREFIX)
$(MAKE) -C b-gcc all
$(MAKE) -C b-gcc info
touch $@

.install.binutils.ok: .compile.binutils.ok
mkdir -p $(RTEMS_PREFIX)
(cd b-binutils && make install)
$(MAKE) -C b-binutils install
touch $@

.compile.binutils.ok: .patch.ok
mkdir -p b-binutils
(cd b-binutils && \
cd b-binutils && \
../binutils-$(BINUTILS_VERSION)/configure --target=lm32-rtems4.11 \
--prefix=$(RTEMS_PREFIX) && \
make all info)
--prefix=$(RTEMS_PREFIX)
$(MAKE) -C b-binutils all
$(MAKE) -C b-binutils info
touch $@

gcc-$(GCC_CORE_VERSION)/newlib: .unzip.ok
(cd gcc-$(GCC_CORE_VERSION) && \
ln -s ../newlib-$(NEWLIB_VERSION)/newlib)
cd gcc-$(GCC_CORE_VERSION) && \
ln -s ../newlib-$(NEWLIB_VERSION)/newlib

.patch.ok: .unzip.ok $(RTEMS_PATCHES_DIR)/.ok
(cd binutils-$(BINUTILS_VERSION) && \
patch -p1 < ../$(RTEMS_PATCHES_DIR)/$(BINUTILS_PATCH))
(cd gcc-$(GCC_CORE_VERSION) && \
patch -p1 < ../$(RTEMS_PATCHES_DIR)/$(GCC_CORE_PATCH))
(cd newlib-$(NEWLIB_VERSION) && \
patch -p1 < ../$(RTEMS_PATCHES_DIR)/$(NEWLIB_PATCH))
(cd gdb-$(GDB_VERSION) && \
patch -p1 < ../$(RTEMS_PATCHES_DIR)/$(GDB_PATCH))
cd binutils-$(BINUTILS_VERSION) && \
patch -p1 < ../$(RTEMS_PATCHES_DIR)/$(BINUTILS_PATCH)
cd gcc-$(GCC_CORE_VERSION) && \
patch -p1 < ../$(RTEMS_PATCHES_DIR)/$(GCC_CORE_PATCH)
cd newlib-$(NEWLIB_VERSION) && \
patch -p1 < ../$(RTEMS_PATCHES_DIR)/$(NEWLIB_PATCH)
cd gdb-$(GDB_VERSION) && \
patch -p1 < ../$(RTEMS_PATCHES_DIR)/$(GDB_PATCH)
touch $@

.unzip.ok: $(DL)/$(BINUTILS).ok $(DL)/$(GCC_CORE).ok $(DL)/$(NEWLIB).ok $(DL)/$(GDB).ok $(DL)/$(MPFR).ok $(DL)/$(MPC).ok $(DL)/$(GMP).ok
Expand All @@ -113,15 +116,15 @@ gcc-$(GCC_CORE_VERSION)/newlib: .unzip.ok
touch $@

.install.gdb.ok: .compile.gdb.ok
(cd b-gdb && make install)
$(MAKE) -C b-gdb install
touch $@

.compile.gdb.ok: .install.binutils.ok .patch.ok
export PATH=$(RTEMS_PREFIX)/bin:$$PATH
mkdir -p b-gdb
(cd b-gdb/ && ../gdb-$(GDB_VERSION)/configure --target=lm32-rtems4.11 \
--prefix=$(RTEMS_PREFIX) && \
make all)
cd b-gdb/ && ../gdb-$(GDB_VERSION)/configure --target=lm32-rtems4.11 \
--prefix=$(RTEMS_PREFIX)
$(MAKE) -C b-gdb all
touch $@

$(RTEMS_PATCHES_DIR)/.ok:
Expand Down Expand Up @@ -185,3 +188,8 @@ clean:
rm -rf mpfr-$(MPFR_VERSION)
rm -f .*.ok
rm -f .ok

# disable parallel execution of targets in this top-level Makefile. Makefiles
# invoked via $(MAKE) still run parallel if -j was passed to the top-level
# Makefile.
.NOTPARALLEL:

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