Share gcc work directories
This patched is derived from Richard, make gcc use the shared source
directory during the different building:
1) Make gcc-cross, gcc-cross-initial, gcc-cross-intermediate and
gcc-runtime share the same source directory.
2) The source directory is ${TMPDIR}/work-shared/gcc-${PV}, for example:
tmp/work-shared/gcc-4.5.1
3) Fix do_clean to clean the shared source directory and stamps
4) gcc uses sed and creates config files against ${S} which means the
directory should not be shared. Change the way to make it work:
* The configure option --with-headers=${STAGING_DIR_TARGET}${SYSTEMHEADERS}
can replace the sed command, see the code in configure:
if test "x$with_headers" != x; then
glibc_header_dir=$with_headers
This has the same effect as the sed command:
sed -i 's:^\([ ]*\)glibc_header_dir=\"${with_build_sysroot}/usr/include\": ...
so add the --with-headers=${STAGING_DIR_TARGET}${SYSTEMHEADERS} to
gcc-configure-cross.inc( not add to gcc-configure-common.inc, since
not all the gcc building need this, the one which has its own do_configure
doesn't need it).
* Move t-oe from ${T} to ${B}/gcc, so that the patched Makefile.in
can read it easily, please see the commit for gcc-4.5.1 and
gcc-4.6.0.
* Use the defaults.h in ${B}/gcc instead of ${S}/gcc, and the patched
configure.ac(configure) can read it correctly, please see the
commit for gcc-4.5.1 and gcc-4.6.0.
* The gcc-crosssdk.inc used sed to edit ${S}/config/*/linux*.h
to change the GLIBC_DYNAMIC_LINKER, which made the source
incompatible. To make the source compatible:
- Use:
sed -i ${S}/gcc/config/*/linux*.h -e \
's#\(GLIBC_DYNAMIC_LINKER[^ ]*\)\( *"/lib.*\)#\1 SYSTEMLIBS_DIR\2#'
so entries in the files that look like:
#define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux-x86-64.so.2"
would become
#define GLIBC_DYNAMIC_LINKER64 SYSTEMLIBS_DIR"/ld-linux-x86-64.so.2"
and we define SYSTEMLIBS_DIR in defaults.h.
NOTE:
#define GLIBC_DYNAMIC_LINKER64 (SYSTEMLIBS_DIR "/ld-linux-x86-64.so.2")
doesn't work in in the following define:
#define LINUX_DYNAMIC_LINKER \
CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER)
so use
#define GLIBC_DYNAMIC_LINKER64 SYSTEMLIBS_DIR"/ld-linux-x86-64.so.2"
5) Add do_configure_prepend to gcc-configure-common.inc and remove the
one in gcc-crosssdk.inc, this makes it easy to share the source,
otherwise we need do extra changes in gcc-configure-sdk.inc.
6) Use "cat > file <_EOF" to replace the "echo > file"
(From OE-Core rev: 934d38530c9a67562e53d4034aee5531f0f26750)
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Robert Yang
Richard Purdie
parent
e485b88daa
commit
3e08c1f078
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@ -37,10 +37,38 @@ ${GNU_MIRROR}/gcc/ http://gcc.get-software.com/releases/ \n \
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#
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gcclibdir = "${libdir}/gcc"
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BINV = "${PV}"
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S = "${WORKDIR}/gcc-${PV}"
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B = "${S}/build.${HOST_SYS}.${TARGET_SYS}"
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#S = "${WORKDIR}/gcc-${PV}"
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S = "${TMPDIR}/work-shared/gcc-${PV}/gcc-${PV}"
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B = "${WORKDIR}/gcc-${PV}/build.${HOST_SYS}.${TARGET_SYS}"
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# SS means Shared Stamps directory
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SS = "${TMPDIR}/stamps/work-shared/gcc-${PV}"
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do_fetch[stamp-base] = "${SS}"
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do_unpack[stamp-base] = "${SS}"
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do_patch[stamp-base] = "${SS}"
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# SW means Shared Work directory
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SW = "${TMPDIR}/work-shared/gcc-${PV}"
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WORKDIR_task-unpack = "${SW}"
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WORKDIR_task-patch = "${SW}"
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target_includedir ?= "${includedir}"
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target_libdir ?= "${libdir}"
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target_base_libdir ?= "${base_libdir}"
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target_prefix ?= "${prefix}"
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CLEANFUNCS += "workshared_clean"
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# The do_clean should be exclusive since share ${S}
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do_clean[lockfiles] = "${TMPDIR}/stamps/work-shared/gcc-${PV}.clean.lock"
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python workshared_clean () {
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"""clear the source directory"""
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dir = bb.data.expand("${SW}", d)
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bb.note("Removing " + dir)
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oe.path.remove(dir)
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"""clear the the stamps in work-shared"""
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dir = "%s.*" % bb.data.expand(d.getVarFlag('do_fetch', 'stamp-base', True), d)
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bb.note("Removing " + dir)
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oe.path.remove(dir)
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}
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@ -61,6 +61,34 @@ SYSTEMHEADERS = "${target_includedir}"
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SYSTEMLIBS = "${target_base_libdir}/"
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SYSTEMLIBS1 = "${target_libdir}/"
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do_configure_prepend () {
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# Change the default dynamic linker path, only useful for SDK, other's value
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# are not changed according to the SYSTEMLIBS_DIR
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sed -i ${S}/gcc/config/*/linux*.h -e \
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's#\(GLIBC_DYNAMIC_LINKER[^ ]*\)\( *"/lib.*\)#\1 SYSTEMLIBS_DIR\2#'
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SYSTEMLIBS_DIR=`dirname ${SYSTEMLIBS}`
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[ "$SYSTEMLIBS_DIR" = "/" ] && SYSTEMLIBS_DIR=""
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# teach gcc to find correct target includedir when checking libc ssp support
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mkdir -p ${B}/gcc
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echo "NATIVE_SYSTEM_HEADER_DIR = ${SYSTEMHEADERS}" > ${B}/gcc/t-oe
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cat ${S}/gcc/defaults.h | grep -v "\#endif.*GCC_DEFAULTS_H" > ${B}/gcc/defaults.h.new
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cat >>${B}/gcc/defaults.h.new <<_EOF
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#ifndef STANDARD_INCLUDE_DIR
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#define STANDARD_INCLUDE_DIR "${SYSTEMHEADERS}"
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#endif
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#ifndef STANDARD_STARTFILE_PREFIX_1
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#define STANDARD_STARTFILE_PREFIX_1 "${SYSTEMLIBS}"
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#endif
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#ifndef STANDARD_STARTFILE_PREFIX_2
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#define STANDARD_STARTFILE_PREFIX_2 "${SYSTEMLIBS1}"
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#endif
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#define SYSTEMLIBS_DIR "$SYSTEMLIBS_DIR"
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#endif /* ! GCC_DEFAULTS_H */
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_EOF
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mv ${B}/gcc/defaults.h.new ${B}/gcc/defaults.h
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}
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do_configure () {
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# Setup these vars for cross building only
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# ... because foo_FOR_TARGET apparently gets misinterpreted inside the
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@ -86,27 +114,7 @@ do_configure () {
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export LDFLAGS_FOR_BUILD="${BUILD_LDFLAGS}"
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export ARCH_FLAGS_FOR_TARGET="${ARCH_FLAGS_FOR_TARGET}"
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(cd ${S} && gnu-configize) || die "failure running gnu-configize"
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# teach gcc to find correct target includedir when checking libc ssp support
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sed -i 's:^\([ ]*\)glibc_header_dir=\"${with_build_sysroot}/usr/include\":\1glibc_header_dir=\"${with_build_sysroot}${SYSTEMHEADERS}\":g' ${S}/gcc/configure.ac
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sed -i 's:^\([ ]*\)glibc_header_dir=\"${with_build_sysroot}/usr/include\":\1glibc_header_dir=\"${with_build_sysroot}${SYSTEMHEADERS}\":g' ${S}/gcc/configure
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# splice our idea of where the headers live into gcc's world
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echo "NATIVE_SYSTEM_HEADER_DIR = ${SYSTEMHEADERS}" > ${T}/t-oe
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sed 's%^tmake_file=.*$%& ${T}/t-oe%' < ${S}/gcc/Makefile.in >${S}/gcc/Makefile.in.new
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mv ${S}/gcc/Makefile.in.new ${S}/gcc/Makefile.in
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cat ${S}/gcc/defaults.h | grep -v "\#endif.*GCC_DEFAULTS_H" > ${S}/gcc/defaults.h.new
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echo "#ifndef STANDARD_INCLUDE_DIR" >> ${S}/gcc/defaults.h.new
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echo "#define STANDARD_INCLUDE_DIR \"${SYSTEMHEADERS}\"" >> ${S}/gcc/defaults.h.new
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echo "#endif" >> ${S}/gcc/defaults.h.new
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echo "#ifndef STANDARD_STARTFILE_PREFIX_1" >> ${S}/gcc/defaults.h.new
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echo "#define STANDARD_STARTFILE_PREFIX_1 \"${SYSTEMLIBS}\"" >> ${S}/gcc/defaults.h.new
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echo "#endif" >> ${S}/gcc/defaults.h.new
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echo "#ifndef STANDARD_STARTFILE_PREFIX_2" >> ${S}/gcc/defaults.h.new
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echo "#define STANDARD_STARTFILE_PREFIX_2 \"${SYSTEMLIBS1}\"" >> ${S}/gcc/defaults.h.new
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echo "#endif" >> ${S}/gcc/defaults.h.new
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echo "#endif /* ! GCC_DEFAULTS_H */" >> ${S}/gcc/defaults.h.new
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mv ${S}/gcc/defaults.h.new ${S}/gcc/defaults.h
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oe_runconf
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}
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@ -2,7 +2,9 @@ require gcc-configure-common.inc
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USE_NLS = '${@base_conditional( "TARGET_OS", "linux-uclibc", "no", "", d )}'
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EXTRA_OECONF += " --enable-poison-system-directories "
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EXTRA_OECONF += " --enable-poison-system-directories \
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--with-headers=${STAGING_DIR_TARGET}${SYSTEMHEADERS} \
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"
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EXTRA_OECONF_PATHS = "--with-local-prefix=${STAGING_DIR_TARGET}${target_exec_prefix} \
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--with-gxx-include-dir=${target_includedir}/c++ \
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@ -8,9 +8,3 @@ GCCMULTILIB = "--disable-multilib"
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DEPENDS = "virtual/${TARGET_PREFIX}binutils-crosssdk virtual/${TARGET_PREFIX}libc-for-gcc-nativesdk gettext-native"
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PROVIDES = "virtual/${TARGET_PREFIX}gcc-crosssdk virtual/${TARGET_PREFIX}g++-crosssdk"
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do_configure_prepend () {
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# Change the default dynamic linker path to the one in the SDK
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sed -i ${S}/gcc/config/*/linux*.h -e 's#\(GLIBC_DYNAMIC_LINKER.*\)/lib/#\1${SYSTEMLIBS}#'
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sed -i ${S}/gcc/config/*/linux*.h -e 's#\(GLIBC_DYNAMIC_LINKER.*\)/lib64/#\1${SYSTEMLIBS}#'
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}
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