@@ -11,6 +11,14 @@ GCC_INITIAL_SOURCE = gcc-$(GCC_INITIAL_VERSION).tar.bz2
HOST_GCC_INITIAL_DEPENDENCIES = host-binutils
+# Optimize the extraction process by skipping a lot of unused things
+define HOST_GCC_INITIAL_EXTRACT_CMDS
+ $(BZCAT) $(DL_DIR)/$(GCC_INITIAL_SOURCE) | \
+ $(TAR) $(TAR_STRIP_COMPONENTS)=1 -C $(@D) \
+ --exclude='libjava/*' --exclude='libgo/*' --exclude='gcc/testsuite/*' \
+ $(TAR_OPTIONS) -
+endef
+
define HOST_GCC_INITIAL_XTENSA_OVERLAY_EXTRACT
tar xf $(BR2_XTENSA_OVERLAY_DIR)/xtensa_$(call qstrip,\
$(BR2_XTENSA_CORE_NAME)).tar -C $(@D) --strip-components=1 gcc
@@ -9,6 +9,14 @@ GCC_INTERMEDIATE_VERSION = $(call qstrip,$(BR2_GCC_VERSION))
GCC_INTERMEDIATE_SITE = $(BR2_GNU_MIRROR:/=)/gcc/gcc-$(GCC_INTERMEDIATE_VERSION)
GCC_INTERMEDIATE_SOURCE = gcc-$(GCC_INTERMEDIATE_VERSION).tar.bz2
+# Optimize the extraction process by skipping a lot of unused things
+define HOST_GCC_INTERMEDIATE_EXTRACT_CMDS
+ $(BZCAT) $(DL_DIR)/$(GCC_INTERMEDIATE_SOURCE) | \
+ $(TAR) $(TAR_STRIP_COMPONENTS)=1 -C $(@D) \
+ --exclude='libjava/*' --exclude='libgo/*' --exclude='gcc/testsuite/*' \
+ $(TAR_OPTIONS) -
+endef
+
define HOST_GCC_INTERMEDIATE_XTENSA_OVERLAY_EXTRACT
tar xf $(BR2_XTENSA_OVERLAY_DIR)/xtensa_$(call qstrip,\
$(BR2_XTENSA_CORE_NAME)).tar -C $(@D) --strip-components=1 gcc
@@ -11,23 +11,3 @@
elif [ $H_REAL_TARGET = $H_REAL_HOST ] ; then
make bootstrap || exit 1
make install || exit 1
---- gcc/libjava/classpath/ltconfig
-+++ gcc/libjava/classpath/ltconfig
-@@ -603,7 +603,7 @@
-
- # Transform linux* to *-*-linux-gnu*, to support old configure scripts.
- case $host_os in
--linux-gnu*) ;;
-+linux-gnu*|linux-uclibc*) ;;
- linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'`
- esac
-
-@@ -1251,7 +1251,7 @@
- ;;
-
- # This must be Linux ELF.
--linux-gnu*)
-+linux*)
- version_type=linux
- need_lib_prefix=no
- need_version=no
@@ -11,23 +11,3 @@
elif [ $H_REAL_TARGET = $H_REAL_HOST ] ; then
make bootstrap || exit 1
make install || exit 1
---- gcc/libjava/classpath/ltconfig
-+++ gcc/libjava/classpath/ltconfig
-@@ -603,7 +603,7 @@
-
- # Transform linux* to *-*-linux-gnu*, to support old configure scripts.
- case $host_os in
--linux-gnu*) ;;
-+linux-gnu*|linux-uclibc*) ;;
- linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'`
- esac
-
-@@ -1251,7 +1251,7 @@
- ;;
-
- # This must be Linux ELF.
--linux-gnu*)
-+linux*)
- version_type=linux
- need_lib_prefix=no
- need_version=no
@@ -11,23 +11,3 @@
elif [ $H_REAL_TARGET = $H_REAL_HOST ] ; then
make bootstrap || exit 1
make install || exit 1
---- gcc/libjava/classpath/ltconfig
-+++ gcc/libjava/classpath/ltconfig
-@@ -603,7 +603,7 @@
-
- # Transform linux* to *-*-linux-gnu*, to support old configure scripts.
- case $host_os in
--linux-gnu*) ;;
-+linux-gnu*|linux-uclibc*) ;;
- linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'`
- esac
-
-@@ -1251,7 +1251,7 @@
- ;;
-
- # This must be Linux ELF.
--linux-gnu*)
-+linux*)
- version_type=linux
- need_lib_prefix=no
- need_version=no
@@ -11,23 +11,3 @@
elif [ $H_REAL_TARGET = $H_REAL_HOST ] ; then
make bootstrap || exit 1
make install || exit 1
---- gcc/libjava/classpath/ltconfig
-+++ gcc/libjava/classpath/ltconfig
-@@ -603,7 +603,7 @@
-
- # Transform linux* to *-*-linux-gnu*, to support old configure scripts.
- case $host_os in
--linux-gnu*) ;;
-+linux-gnu*|linux-uclibc*) ;;
- linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'`
- esac
-
-@@ -1251,7 +1251,7 @@
- ;;
-
- # This must be Linux ELF.
--linux-gnu*)
-+linux*)
- version_type=linux
- need_lib_prefix=no
- need_version=no
@@ -11,23 +11,3 @@
elif [ $H_REAL_TARGET = $H_REAL_HOST ] ; then
make bootstrap || exit 1
make install || exit 1
---- gcc/libjava/classpath/ltconfig
-+++ gcc/libjava/classpath/ltconfig
-@@ -603,7 +603,7 @@
-
- # Transform linux* to *-*-linux-gnu*, to support old configure scripts.
- case $host_os in
--linux-gnu*) ;;
-+linux-gnu*|linux-uclibc*) ;;
- linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'`
- esac
-
-@@ -1251,7 +1251,7 @@
- ;;
-
- # This must be Linux ELF.
--linux-gnu*)
-+linux*)
- version_type=linux
- need_lib_prefix=no
- need_version=no
@@ -13,25 +13,3 @@ Index: gcc-4.8.0/contrib/regression/objs-gcc.sh
elif [ $H_REAL_TARGET = $H_REAL_HOST ] ; then
make bootstrap || exit 1
make install || exit 1
-Index: gcc-4.8.0/libjava/classpath/ltconfig
-===================================================================
---- gcc-4.8.0.orig/libjava/classpath/ltconfig 2011-02-13 12:45:53.000000000 +0100
-+++ gcc-4.8.0/libjava/classpath/ltconfig 2013-03-23 17:39:04.000000000 +0100
-@@ -603,7 +603,7 @@
-
- # Transform linux* to *-*-linux-gnu*, to support old configure scripts.
- case $host_os in
--linux-gnu*) ;;
-+linux-gnu*|linux-uclibc*) ;;
- linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'`
- esac
-
-@@ -1247,7 +1247,7 @@
- ;;
-
- # This must be Linux ELF.
--linux-gnu*)
-+linux*)
- version_type=linux
- need_lib_prefix=no
- need_version=no
@@ -22,6 +22,14 @@ GCC_SOURCE = gcc-$(GCC_VERSION).tar.bz2
HOST_GCC_DEPENDENCIES = host-gmp host-mpfr uclibc
+# Optimize the extraction process by skipping a lot of unused things
+define HOST_GCC_EXTRACT_CMDS
+ $(BZCAT) $(DL_DIR)/$(GCC_SOURCE) | \
+ $(TAR) $(TAR_STRIP_COMPONENTS)=1 -C $(@D) \
+ --exclude='libjava/*' --exclude='libgo/*' --exclude='gcc/testsuite/*' \
+ $(TAR_OPTIONS) -
+endef
+
define HOST_GCC_XTENSA_OVERLAY_EXTRACT
tar xf $(BR2_XTENSA_OVERLAY_DIR)/xtensa_$(call qstrip,\
$(BR2_XTENSA_CORE_NAME)).tar -C $(@D) --strip-components=1 gcc
Several sub-directories of the gcc code base are in fact not needed for the Buildroot build: libjava/, libgo/ and gcc/testsuite/ being the biggest ones. Avoiding their extraction saves quite a bit of disk space, and compensates a bit the fact that we now extract three times the gcc source code. This requires changing the 100-uclibc-conf.patch to no longer patch files from the libjava/ directory, since this directory is no longer extracted. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> --- package/gcc-initial/gcc-initial.mk | 8 ++++++++ package/gcc-intermediate/gcc-intermediate.mk | 8 ++++++++ package/gcc/4.3.6/100-uclibc-conf.patch | 20 -------------------- package/gcc/4.4.7/100-uclibc-conf.patch | 20 -------------------- package/gcc/4.5.4/100-uclibc-conf.patch | 20 -------------------- package/gcc/4.6.4/100-uclibc-conf.patch | 20 -------------------- package/gcc/4.7.3/100-uclibc-conf.patch | 20 -------------------- package/gcc/4.8.1/100-uclibc-conf.patch | 22 ---------------------- package/gcc/gcc.mk | 8 ++++++++ 9 files changed, 24 insertions(+), 122 deletions(-)