Commit aa3e75ec authored by Gustavo Zacarias's avatar Gustavo Zacarias Committed by Peter Korsgaard
Browse files

gcc 4.5.x powerpc: fix softfloat and gcc pr#43810

parent 1310bad0
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+32 −44
Original line number Diff line number Diff line
@@ -6,13 +6,12 @@ contains unresolved symbols, any attempt to link against libgcc_s
without explicitely specifying -lm fails, resulting in a broken
bootstrap of the compiler.

Forward port to gcc 4.5.1 by Gustavo Zacarias <gustavo@zacarias.com.ar>

diff -rdup gcc-4.4.0.old/gcc/config/t-slibgcc-elf-ver gcc-4.4.0/gcc/config/t-slibgcc-elf-ver

diff -durN gcc-4.4.4.orig/gcc/config/t-slibgcc-elf-ver gcc-4.4.4/gcc/config/t-slibgcc-elf-ver
--- gcc-4.4.4.orig/gcc/config/t-slibgcc-elf-ver	2010-01-04 16:13:08.000000000 +0100
+++ gcc-4.4.4/gcc/config/t-slibgcc-elf-ver	2010-05-16 19:38:36.000000000 +0200
@@ -9,7 +9,7 @@
diff -Nura gcc-4.5.1.orig/gcc/config/t-slibgcc-elf-ver gcc-4.5.1/gcc/config/t-slibgcc-elf-ver
--- gcc-4.5.1.orig/gcc/config/t-slibgcc-elf-ver	2010-11-03 14:35:08.644904042 -0300
+++ gcc-4.5.1/gcc/config/t-slibgcc-elf-ver	2010-11-03 14:35:56.332904024 -0300
@@ -27,7 +27,7 @@
 SHLIB_OBJS = @shlib_objs@
 SHLIB_DIR = @multilib_dir@
 SHLIB_SLIBDIR_QUAL = @shlib_slibdir_qual@
@@ -21,9 +20,9 @@ diff -durN gcc-4.4.4.orig/gcc/config/t-slibgcc-elf-ver gcc-4.4.4/gcc/config/t-sl
 SHLIB_MAKE_SOLINK = $(LN_S) $(SHLIB_SONAME) $(SHLIB_DIR)/$(SHLIB_SOLINK)
 SHLIB_INSTALL_SOLINK = $(LN_S) $(SHLIB_SONAME) \
 	$$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SOLINK)
diff -durN gcc-4.4.4.orig/libgcc/Makefile.in gcc-4.4.4/libgcc/Makefile.in
--- gcc-4.4.4.orig/libgcc/Makefile.in	2009-04-10 01:23:07.000000000 +0200
+++ gcc-4.4.4/libgcc/Makefile.in	2010-05-16 19:38:36.000000000 +0200
diff -Nura gcc-4.5.1.orig/libgcc/Makefile.in gcc-4.5.1/libgcc/Makefile.in
--- gcc-4.5.1.orig/libgcc/Makefile.in	2010-11-03 14:32:44.272904042 -0300
+++ gcc-4.5.1/libgcc/Makefile.in	2010-11-03 14:37:03.893904042 -0300
@@ -39,6 +39,7 @@
 decimal_float = @decimal_float@
 enable_decimal_float = @enable_decimal_float@
@@ -32,7 +31,7 @@ diff -durN gcc-4.4.4.orig/libgcc/Makefile.in gcc-4.4.4/libgcc/Makefile.in
 
 host_noncanonical = @host_noncanonical@
 
@@ -787,9 +788,10 @@
@@ -798,9 +799,10 @@
 		@multilib_dir@,$(MULTIDIR),$(subst \
 		@shlib_objs@,$(objects),$(subst \
 		@shlib_base_name@,libgcc_s,$(subst \
@@ -44,22 +43,21 @@ diff -durN gcc-4.4.4.orig/libgcc/Makefile.in gcc-4.4.4/libgcc/Makefile.in
 
 libunwind$(SHLIB_EXT): $(libunwind-s-objects) $(extra-parts)
 	# @multilib_flags@ is still needed because this may use
diff -durN gcc-4.4.4.orig/libgcc/configure gcc-4.4.4/libgcc/configure
--- gcc-4.4.4.orig/libgcc/configure	2008-11-20 18:13:01.000000000 +0100
+++ gcc-4.4.4/libgcc/configure	2010-05-16 19:38:36.000000000 +0200
@@ -272,7 +272,7 @@
 PACKAGE_BUGREPORT=''
 
 ac_unique_file="static-object.mk"
-ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS libgcc_topdir enable_shared slibdir INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA AWK build build_cpu build_vendor build_os host host_cpu host_vendor host_os host_noncanonical build_libsubdir build_subdir host_subdir target_subdir AR ac_ct_AR LIPO ac_ct_LIPO NM ac_ct_NM RANLIB ac_ct_RANLIB STRIP ac_ct_STRIP LN_S CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CPP decimal_float enable_decimal_float fixed_point vis_hide set_have_cc_tls tmake_file extra_parts asm_hidden_op LIBOBJS LTLIBOBJS'
+ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS libgcc_topdir enable_shared slibdir INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA AWK build build_cpu build_vendor build_os host host_cpu host_vendor host_os host_noncanonical build_libsubdir build_subdir host_subdir target_subdir AR ac_ct_AR LIPO ac_ct_LIPO NM ac_ct_NM RANLIB ac_ct_RANLIB STRIP ac_ct_STRIP LN_S CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CPP decimal_float enable_decimal_float fixed_point vis_hide set_have_cc_tls LIBGCC_LIBM tmake_file extra_parts asm_hidden_op LIBOBJS LTLIBOBJS'
 ac_subst_files=''
 ac_pwd=`pwd`
 
@@ -3547,6 +3547,39 @@
diff -Nura gcc-4.5.1.orig/libgcc/configure gcc-4.5.1/libgcc/configure
--- gcc-4.5.1.orig/libgcc/configure	2010-11-03 14:32:44.283904042 -0300
+++ gcc-4.5.1/libgcc/configure	2010-11-03 14:39:48.685904042 -0300
@@ -557,6 +557,7 @@
 extra_parts
 tmake_file
 set_use_emutls
+LIBGCC_LIBM
 set_have_cc_tls
 vis_hide
 fixed_point
@@ -3847,6 +3848,37 @@
   set_use_emutls="-DUSE_EMUTLS"
 fi
 
 
+# On powerpc libgcc_s references copysignl which is a libm function but
+# glibc apparently also provides it via libc as opposed to uClibc where
+# it lives in libm.
@@ -91,23 +89,13 @@ diff -durN gcc-4.4.4.orig/libgcc/configure gcc-4.4.4/libgcc/configure
+  /-lm/) LIBGCC_LIBM="$LIBGCC_LIBM -lm" ;;
+  *) LIBGCC_LIBM= ;;
+esac
+
+
 
 # Conditionalize the makefile for this target machine.
 tmake_file_=
 for f in ${tmake_file}
@@ -4267,6 +4300,7 @@
 s,@fixed_point@,$fixed_point,;t t
 s,@vis_hide@,$vis_hide,;t t
 s,@set_have_cc_tls@,$set_have_cc_tls,;t t
+s,@LIBGCC_LIBM@,$LIBGCC_LIBM,;t t
 s,@tmake_file@,$tmake_file,;t t
 s,@extra_parts@,$extra_parts,;t t
 s,@asm_hidden_op@,$asm_hidden_op,;t t
diff -durN gcc-4.4.4.orig/libgcc/configure.ac gcc-4.4.4/libgcc/configure.ac
--- gcc-4.4.4.orig/libgcc/configure.ac	2008-11-20 18:13:01.000000000 +0100
+++ gcc-4.4.4/libgcc/configure.ac	2010-05-16 19:38:36.000000000 +0200
@@ -223,6 +223,27 @@
diff -Nura gcc-4.5.1.orig/libgcc/configure.ac gcc-4.5.1/libgcc/configure.ac
--- gcc-4.5.1.orig/libgcc/configure.ac	2010-11-03 14:32:44.735904042 -0300
+++ gcc-4.5.1/libgcc/configure.ac	2010-11-03 14:42:11.278904045 -0300
@@ -238,6 +238,27 @@
 fi
 AC_SUBST(set_have_cc_tls)
 
@@ -132,6 +120,6 @@ diff -durN gcc-4.4.4.orig/libgcc/configure.ac gcc-4.4.4/libgcc/configure.ac
+esac
+AC_SUBST(LIBGCC_LIBM)
+
 # Conditionalize the makefile for this target machine.
 tmake_file_=
 for f in ${tmake_file}
 # See if we have emulated thread-local storage.
 GCC_CHECK_EMUTLS
 set_use_emutls=
+13 −3
Original line number Diff line number Diff line
@@ -43,6 +43,16 @@ EXTRA_GCC_CONFIG_OPTIONS+=--with-pkgversion="Buildroot $(BR2_VERSION_FULL)" \
	--with-bugurl="http://bugs.buildroot.net/"
endif

# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43810
# Workaround until it's fixed in 4.5.2 or later
ifeq ($(ARCH),powerpc)
ifeq ($(findstring x4.5.,x$(GCC_VERSION)),x4.5.)
GCC_OPTSPACE=--disable-target-optspace
endif
else
GCC_OPTSPACE=--enable-target-optspace
endif

GCC_TARGET_PREREQ=
GCC_STAGING_PREREQ=

@@ -204,7 +214,7 @@ $(GCC_BUILD_DIR1)/.configured: $(GCC_DIR)/.patched
		--enable-languages=c \
		$(BR2_CONFIGURE_DEVEL_SYSROOT) \
		--disable-__cxa_atexit \
		--enable-target-optspace \
		$(GCC_OPTSPACE) \
		--with-gnu-ld \
		--disable-shared \
		--disable-libssp \
@@ -282,7 +292,7 @@ $(GCC_BUILD_DIR2)/.configured: $(GCC_DIR)/.patched
		--enable-languages=c \
		$(BR2_CONFIGURE_DEVEL_SYSROOT) \
		--disable-__cxa_atexit \
		--enable-target-optspace \
		$(GCC_OPTSPACE) \
		--with-gnu-ld \
		--enable-shared \
		--disable-libssp \
@@ -359,7 +369,7 @@ $(GCC_BUILD_DIR3)/.configured: $(GCC_SRC_DIR)/.patched $(GCC_STAGING_PREREQ)
		$(BR2_CONFIGURE_STAGING_SYSROOT) \
		$(BR2_CONFIGURE_BUILD_TOOLS) \
		--disable-__cxa_atexit \
		--enable-target-optspace \
		$(GCC_OPTSPACE) \
		--with-gnu-ld \
		--disable-libssp \
		--disable-multilib \