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authorEric Andersen <andersen@codepoet.org>2004-01-08 09:41:43 +0000
committerEric Andersen <andersen@codepoet.org>2004-01-08 09:41:43 +0000
commitefa01a402fb7f1e7f0dca1a9ee3f1728fe487ad8 (patch)
tree1fb850a29a85159deae941eaf73a109804872534
parent6a922668eaf2c74a25952cdb0bcce2a27c1c999c (diff)
downloadbuildroot-novena-efa01a402fb7f1e7f0dca1a9ee3f1728fe487ad8.tar.gz
buildroot-novena-efa01a402fb7f1e7f0dca1a9ee3f1728fe487ad8.zip
Document the unwind-dw2-fde stuff a bit better, remove pointless
and inadvertant munging of libgcc_s's soname.
-rw-r--r--make/gcc-3.3.mk41
1 files changed, 13 insertions, 28 deletions
diff --git a/make/gcc-3.3.mk b/make/gcc-3.3.mk
index fd7b8e098..1751f5536 100644
--- a/make/gcc-3.3.mk
+++ b/make/gcc-3.3.mk
@@ -84,6 +84,14 @@ $(GCC_DIR)/.gcc3_3_build_hacks: $(GCC_DIR)/.patched
$(SED) "s,-dynamic-linker.*\.so[\.0-9]*},\
-dynamic-linker /lib/ld-uClibc.so.0},;" $$LIST; fi);
#
+ # Prevent gcc from using the unwind-dw2-fde-glibc code used for
+ # unwinding stack frames for C++ exception handling. The
+ # unwind-dw2-fde-glibc code depends on glibc's ldso, we ant to use
+ # the generic version instead.
+ #
+ $(SED) "s,^#ifndef inhibit_libc,#define inhibit_libc\n\
+ #ifndef inhibit_libc,g;" $(GCC_DIR)/gcc/unwind-dw2-fde-glibc.c;
+ #
# Prevent system glibc start files from leaking in uninvited...
#
$(SED) "s,standard_startfile_prefix_1 = \".*,standard_startfile_prefix_1 =\
@@ -106,11 +114,6 @@ $(GCC_DIR)/.gcc3_3_build_hacks: $(GCC_DIR)/.patched
#
$(SED) "s,\"/lib,\"$(STAGING_DIR)/lib,g;" $(GCC_DIR)/gcc/collect2.c
$(SED) "s,\"/usr/,\"$(STAGING_DIR)/usr/,g;" $(GCC_DIR)/gcc/collect2.c
- #
- # Prevent gcc from using the unwind-dw2-fde-glibc code
- #
- $(SED) "s,^#ifndef inhibit_libc,#define inhibit_libc\n\
- #ifndef inhibit_libc,g;" $(GCC_DIR)/gcc/unwind-dw2-fde-glibc.c;
touch $(GCC_DIR)/.gcc3_3_build_hacks
# The --without-headers option stopped working with gcc 3.0 and has never been
@@ -197,18 +200,7 @@ gcc3_3_initial-dirclean:
#
#############################################################
GCC_BUILD_DIR2:=$(TOOL_BUILD_DIR)/gcc-3.3-final
-$(GCC_DIR)/.g++_build_hacks: $(GCC_DIR)/.patched
- #
- # Hack up the soname for libstdc++
- #
- $(SED) "s,\.so\.1,.so.0.9.9,g;" $(GCC_DIR)/gcc/config/t-slibgcc-elf-ver;
- $(SED) "s,-version-info.*[0-9]:[0-9]:[0-9],-version-info 9:9:0,g;" \
- $(GCC_DIR)/libstdc++-v3/src/Makefile.am $(GCC_DIR)/libstdc++-v3/src/Makefile.in;
- $(SED) "s,3\.0\.0,9.9.0,g;" $(GCC_DIR)/libstdc++-v3/acinclude.m4 \
- $(GCC_DIR)/libstdc++-v3/aclocal.m4 $(GCC_DIR)/libstdc++-v3/configure;
- touch $(GCC_DIR)/.g++_build_hacks
-
-$(GCC_BUILD_DIR2)/.configured: $(GCC_DIR)/.g++_build_hacks
+$(GCC_BUILD_DIR2)/.configured: $(GCC_DIR)/.patched
mkdir -p $(GCC_BUILD_DIR2)
echo -e "#!/bin/sh\nexec $(GCC_BUILD_DIR2)/gcc/xgcc -B$(GCC_BUILD_DIR2)/gcc/ -B$(STAGING_DIR)/$(ARCH)-linux/bin/ -B$(STAGING_DIR)/$(ARCH)-linux/lib/ -isystem $(STAGING_DIR)/$(ARCH)-linux/include $(TARGET_SOFT_FLOAT) \$$@" > $(GCC_BUILD_DIR2)/target_g++
chmod a+x $(GCC_BUILD_DIR2)/target_g++
@@ -383,20 +375,13 @@ $(GCC_BUILD_DIR3)/.gcc3_3_build_hacks: $(GCC_BUILD_DIR3)/.patched
$(SED) "s,-dynamic-linker.*\.so[\.0-9]*},\
-dynamic-linker /lib/ld-uClibc.so.0},;" $$LIST; fi);
#
- # Prevent gcc from using the unwind-dw2-fde-glibc code
+ # Prevent gcc from using the unwind-dw2-fde-glibc code used for
+ # unwinding stack frames for C++ exception handling. The
+ # unwind-dw2-fde-glibc code depends on glibc's ldso, we ant to use
+ # the generic version instead.
#
$(SED) "s,^#ifndef inhibit_libc,#define inhibit_libc\n\
#ifndef inhibit_libc,g;" $(GCC_BUILD_DIR3)/gcc/unwind-dw2-fde-glibc.c;
- #
- # Hack up the soname for libstdc++
- #
- $(SED) "s,\.so\.1,.so.0.9.9,g;" $(GCC_BUILD_DIR3)/gcc/config/t-slibgcc-elf-ver;
- $(SED) "s,-version-info.*[0-9]:[0-9]:[0-9],-version-info 9:9:0,g;" \
- $(GCC_BUILD_DIR3)/libstdc++-v3/src/Makefile.am \
- $(GCC_BUILD_DIR3)/libstdc++-v3/src/Makefile.in;
- $(SED) "s,3\.0\.0,9.9.0,g;" $(GCC_BUILD_DIR3)/libstdc++-v3/acinclude.m4 \
- $(GCC_BUILD_DIR3)/libstdc++-v3/aclocal.m4 \
- $(GCC_BUILD_DIR3)/libstdc++-v3/configure;
touch $(GCC_BUILD_DIR3)/.gcc3_3_build_hacks
$(GCC_BUILD_DIR3)/.configured: $(GCC_BUILD_DIR3)/.gcc3_3_build_hacks