Add new recipes for gcc-4_7-branch right now gcc 4.7.0 is latest release from this branch (From OE-Core rev: 3f8fee75e598ad0994acc5da0a612e6eca4f35f6) Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
64 lines
3.2 KiB
Diff
64 lines
3.2 KiB
Diff
Upstream-Status: Inappropriate [embedded specific]
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GCC has internal multilib handling code but it assumes a very specific rigid directory
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layout. The build system implementation of multilib layout is very generic and allows
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complete customisation of the library directories.
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This patch is a partial solution to allow any custom directories to be passed into gcc
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and handled correctly. It forces gcc to use the base_libdir (which is the current
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directory, "."). We need to do this for each multilib that is configured as we don't
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know which compiler options may be being passed into the compiler. Since we have a compiler
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per mulitlib at this point that isn't an issue.
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The one problem is the target compiler is only going to work for the default multlilib at
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this point. Ideally we'd figure out which multilibs were being enabled with which paths
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and be able to patch these entries with a complete set of correct paths but this we
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don't have such code at this point. This is something the target gcc recipe should do
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and override these platform defaults in its build config.
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RP 15/8/11
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Index: trunk/gcc/config/i386/t-linux64
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===================================================================
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--- trunk.orig/gcc/config/i386/t-linux64 2012-02-22 09:44:48.000000000 -0800
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+++ trunk/gcc/config/i386/t-linux64 2012-02-22 12:31:01.836462957 -0800
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@@ -33,7 +33,6 @@
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#
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comma=,
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MULTILIB_OPTIONS = $(subst $(comma),/,$(TM_MULTILIB_CONFIG))
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-MULTILIB_DIRNAMES = $(patsubst m%, %, $(subst /, ,$(MULTILIB_OPTIONS)))
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-MULTILIB_OSDIRNAMES = m64=../lib64
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-MULTILIB_OSDIRNAMES+= m32=$(if $(wildcard $(shell echo $(SYSTEM_HEADER_DIR))/../../usr/lib32),../lib32,../lib)
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-MULTILIB_OSDIRNAMES+= mx32=../libx32
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+MULTILIB_DIRNAMES = . .
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+MULTILIB_OSDIRNAMES = ../$(shell basename $(base_libdir)) ../$(shell basename $(base_libdir))
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+
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Index: trunk/gcc/config/mips/t-linux64
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===================================================================
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--- trunk.orig/gcc/config/mips/t-linux64 2012-02-22 09:44:58.000000000 -0800
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+++ trunk/gcc/config/mips/t-linux64 2012-02-22 12:32:01.132465823 -0800
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@@ -17,5 +17,5 @@
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# <http://www.gnu.org/licenses/>.
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MULTILIB_OPTIONS = mabi=n32/mabi=32/mabi=64
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-MULTILIB_DIRNAMES = n32 32 64
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-MULTILIB_OSDIRNAMES = ../lib32 ../lib ../lib64
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+MULTILIB_DIRNAMES = . . .
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+MULTILIB_OSDIRNAMES = ../$(shell basename $(base_libdir)) ../$(shell basename $(base_libdir)) ../$(shell basename $(base_libdir))
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Index: trunk/gcc/config/rs6000/t-linux64
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===================================================================
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--- trunk.orig/gcc/config/rs6000/t-linux64 2012-02-22 09:44:54.000000000 -0800
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+++ trunk/gcc/config/rs6000/t-linux64 2012-02-22 12:28:17.960454968 -0800
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@@ -27,9 +27,9 @@
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# MULTILIB_OSDIRNAMES according to what is found on the target.
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MULTILIB_OPTIONS = m64/m32 msoft-float
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-MULTILIB_DIRNAMES = 64 32 nof
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+MULTILIB_DIRNAMES = . . .
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MULTILIB_EXTRA_OPTS = fPIC mstrict-align
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MULTILIB_EXCEPTIONS = m64/msoft-float
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MULTILIB_EXCLUSIONS = m64/!m32/msoft-float
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-MULTILIB_OSDIRNAMES = ../lib64 $(if $(wildcard $(shell echo $(SYSTEM_HEADER_DIR))/../../usr/lib32),../lib32,../lib) nof
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+MULTILIB_OSDIRNAMES = ../$(shell basename $(base_libdir)) ../$(shell basename $(base_libdir)) ../$(shell basename $(base_libdir))
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MULTILIB_MATCHES = $(MULTILIB_MATCHES_FLOAT)
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