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@
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@
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,$(subst \
libunwind$(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.
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }
+ then
-+ libgcc_cv_copysignl_lib="-lm"
++ libgcc_cv_copysignl_lib="-lm"
+ fi
+ rm -f conftest.*
+
+ /-lm/) LIBGCC_LIBM="$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)
+ libgcc_cv_copysignl_lib="-lc"
+ if AC_TRY_COMMAND(${CC-cc} -S conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD)
+ then
-+ libgcc_cv_copysignl_lib="-lm"
++ libgcc_cv_copysignl_lib="-lm"
+ fi
+ rm -f conftest.*
+ ])
+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=
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