[OE-core] Build Times and Performance - Discussion + new ideas

[Richard Purdie]

On Tue, 2011-09-27 at 18:07 +0100, Richard Purdie wrote:
> For now I came up with the hack below. The bugs in this are:
> 
> a) I removed bison-native and zlib-native from binutils-cross as 
>    dependencies when they're needed. My system has those anyway so I'm 
>    not worrying about this for a proof of concept
> b) I've removed help2man-native dependencies but didn't check if any of 
>    the recipes actually call help2man and need docs disabling
> c) I excluded help2man in non -native cases for some recipes
> d) I didn't disable nls and it dependencies for gcc-cross, only 
>    -initial and -intermediate
> e) I stopped analysing the dependency chain at gcc-cross-intermediate, 
>    it would likely be faster again if I fixed gcc-cross' dependencies

Updated patch below. b), c), d) and e) addressed.

a) remains alsong with some cleanup and the question of whether we
really can build flex without having gettext-native for the .m4 file to
reautoconf it.

Cheers,

Richard




diff --git a/meta/recipes-devtools/binutils/binutils-cross.inc b/meta/recipes-devtools/binutils/binutils-cross.inc
index 5a41970..3755640 100644
--- a/meta/recipes-devtools/binutils/binutils-cross.inc
+++ b/meta/recipes-devtools/binutils/binutils-cross.inc
@@ -1,10 +1,15 @@
 inherit cross
 PROVIDES = "virtual/${TARGET_PREFIX}binutils"
 
+INHIBIT_DEFAULT_DEPS = "1"
+INHIBIT_AUTOTOOLS_DEPS = "1"
+DEPENDS = "gnu-config-native flex-native"
+
 EXTRA_OECONF = "--with-sysroot=${STAGING_DIR_TARGET} \
                 --program-prefix=${TARGET_PREFIX} \
                 --disable-install-libbfd \
                 --disable-werror \
+                --disable-nls \
                 --enable-poison-system-directories \
 		${@base_contains('DISTRO_FEATURES', 'ld-is-gold', '--enable-gold=default', '', d)}"
 
diff --git a/meta/recipes-devtools/flex/flex.inc b/meta/recipes-devtools/flex/flex.inc
index 01f7571..caa4f13 100644
--- a/meta/recipes-devtools/flex/flex.inc
+++ b/meta/recipes-devtools/flex/flex.inc
@@ -8,6 +8,9 @@ LICENSE = "BSD"
 
 SRC_URI = "${SOURCEFORGE_MIRROR}/flex/flex-${PV}.tar.bz2 "
 
+INHIBIT_DEFAULT_DEPS_virtclass-native = "1"
+EXTRA_OECONF_append_virtclass-native = " --disable-nls"
+
 inherit autotools gettext
 
 do_install_append_virtclass-native() {
diff --git a/meta/recipes-devtools/gcc/gcc-4.6.inc b/meta/recipes-devtools/gcc/gcc-4.6.inc
index a352e36..8ca3174 100644
--- a/meta/recipes-devtools/gcc/gcc-4.6.inc
+++ b/meta/recipes-devtools/gcc/gcc-4.6.inc
@@ -23,7 +23,7 @@ BRANCH = "gcc-4_6-branch"
 FILESPATH = "${@base_set_filespath([ '${FILE_DIRNAME}/gcc-4.6' ], d)}"
 
 DEPENDS =+ "mpfr gmp libmpc"
-NATIVEDEPS = "mpfr-native gmp-native gettext-native libmpc-native"
+NATIVEDEPS = "mpfr-native gmp-native libmpc-native"
 
 LICENSE="GPL-3.0-with-GCC-exception & GPLv3"
 
@@ -108,3 +108,4 @@ EXTRA_OECONF_INTERMEDIATE = "--disable-libmudflap \
 EXTRA_OECONF_append_linux-uclibc = " --disable-decimal-float "
 EXTRA_OECONF_append_linux-uclibceabi = " --disable-decimal-float "
 EXTRA_OECONF_append_linux-uclibcspe = " --disable-decimal-float "
+
diff --git a/meta/recipes-devtools/gcc/gcc-configure-cross.inc b/meta/recipes-devtools/gcc/gcc-configure-cross.inc
index 36edb81..d2d9081 100644
--- a/meta/recipes-devtools/gcc/gcc-configure-cross.inc
+++ b/meta/recipes-devtools/gcc/gcc-configure-cross.inc
@@ -4,8 +4,11 @@ USE_NLS = '${@base_conditional( "TARGET_OS", "linux-uclibc", "no", "", d )}'
 
 EXTRA_OECONF += " --enable-poison-system-directories \
 		  --with-headers=${STAGING_DIR_TARGET}${SYSTEMHEADERS} \
+                  --disable-nls \
 		"
 
+INHIBIT_DEFAULT_DEPS = "1"
+
 EXTRA_OECONF_PATHS = "--with-local-prefix=${STAGING_DIR_TARGET}${target_exec_prefix} \
 		      --with-gxx-include-dir=${target_includedir}/c++ \
                       --with-sysroot=${STAGING_DIR_TARGET} \
diff --git a/meta/recipes-devtools/gcc/gcc-cross-initial.inc b/meta/recipes-devtools/gcc/gcc-cross-initial.inc
index 4e2e343..d58bf70 100644
--- a/meta/recipes-devtools/gcc/gcc-cross-initial.inc
+++ b/meta/recipes-devtools/gcc/gcc-cross-initial.inc
@@ -1,7 +1,10 @@
-DEPENDS = "virtual/${TARGET_PREFIX}binutils gettext-native ${NATIVEDEPS}"
+DEPENDS = "virtual/${TARGET_PREFIX}binutils ${NATIVEDEPS}"
 PROVIDES = "virtual/${TARGET_PREFIX}gcc-initial"
 PACKAGES = ""
 
+INHIBIT_AUTOTOOLS_DEPS = "1"
+INHIBIT_DEFAULT_DEPS = "1"
+
 CROSS_TARGET_SYS_DIR_append = ".${PN}"
 
 # This is intended to be a -very- basic config
@@ -11,6 +14,7 @@ EXTRA_OECONF = "--with-local-prefix=${STAGING_DIR_TARGET}${target_prefix} \
 		--without-headers \
 		--disable-shared \
 		--disable-threads \
+		--disable-nls \
 		--disable-multilib \
 		--disable-__cxa_atexit \
 		--enable-languages=c \
diff --git a/meta/recipes-devtools/gcc/gcc-cross-intermediate.inc b/meta/recipes-devtools/gcc/gcc-cross-intermediate.inc
index 7b1bb38..f368ae9 100644
--- a/meta/recipes-devtools/gcc/gcc-cross-intermediate.inc
+++ b/meta/recipes-devtools/gcc/gcc-cross-intermediate.inc
@@ -1,8 +1,11 @@
 DEPENDS = "virtual/${TARGET_PREFIX}binutils ${NATIVEDEPS}"
-DEPENDS += "virtual/${TARGET_PREFIX}libc-initial gettext-native"
+DEPENDS += "virtual/${TARGET_PREFIX}libc-initial"
 PROVIDES = "virtual/${TARGET_PREFIX}gcc-intermediate"
 PACKAGES = ""
 
+INHIBIT_DEFAULT_DEPS = "1"
+INHIBIT_AUTOTOOLS_DEPS = "1"
+
 CROSS_TARGET_SYS_DIR_append = ".${PN}"
 
 # This is intended to be a -very- basic config
@@ -13,6 +16,7 @@ CROSS_TARGET_SYS_DIR_append = ".${PN}"
 # preferred linker.
 EXTRA_OECONF = "--with-local-prefix=${STAGING_DIR_TARGET}${target_prefix} \
 		--enable-shared \
+		--disable-nls \
 		--disable-multilib \
 		--disable-threads \
 		--enable-languages=c \