diff options
Diffstat (limited to 'toolchain/gcc/4.7.3/powerpc-link-with-math-lib.patch.conditional')
| -rw-r--r-- | toolchain/gcc/4.7.3/powerpc-link-with-math-lib.patch.conditional | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/toolchain/gcc/4.7.3/powerpc-link-with-math-lib.patch.conditional b/toolchain/gcc/4.7.3/powerpc-link-with-math-lib.patch.conditional deleted file mode 100644 index 2554263a0..000000000 --- a/toolchain/gcc/4.7.3/powerpc-link-with-math-lib.patch.conditional +++ /dev/null @@ -1,127 +0,0 @@ -http://gcc.gnu.org/ml/gcc-patches/2008-10/msg00269.html - -On glibc the libc.so carries a copy of the math function copysignl() but -on uClibc math functions like copysignl() live in libm. Since libgcc_s -contains unresolved symbols, any attempt to link against libgcc_s -without explicitely specifying -lm fails, resulting in a broken -bootstrap of the compiler. - -Forward ported to gcc 4.7.3 - -Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar> - -diff -Nura gcc-4.7.3.orig/libgcc/config/t-slibgcc gcc-4.7.3/libgcc/config/t-slibgcc ---- gcc-4.7.3.orig/libgcc/config/t-slibgcc 2013-04-11 15:23:46.491571116 -0300 -+++ gcc-4.7.3/libgcc/config/t-slibgcc 2013-04-11 15:25:06.241141824 -0300 -@@ -27,7 +27,7 @@ - SHLIB_OBJS = @shlib_objs@ - SHLIB_DIR = @multilib_dir@ - SHLIB_SLIBDIR_QUAL = @shlib_slibdir_qual@ --SHLIB_LC = -lc -+SHLIB_LC = @libgcc_libm@ -lc - 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 -Nura gcc-4.7.3.orig/libgcc/configure gcc-4.7.3/libgcc/configure ---- gcc-4.7.3.orig/libgcc/configure 2013-04-11 15:23:46.551573051 -0300 -+++ gcc-4.7.3/libgcc/configure 2013-04-11 15:25:06.243141875 -0300 -@@ -563,6 +563,7 @@ - tmake_file - sfp_machine_header - set_use_emutls -+LIBGCC_LIBM - set_have_cc_tls - vis_hide - fixed_point -@@ -4445,6 +4446,37 @@ - fi - 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: checking for library containing copysignl" >&5 -+echo $ECHO_N "checking for library containing copysignl... $ECHO_C" >&6 -+if test "${libgcc_cv_copysignl_lib+set}" = set; then -+ echo $ECHO_N "(cached) $ECHO_C" >&6 -+else -+ -+ echo '#include <features.h>' > conftest.c -+ echo 'int the_libc = __UCLIBC__ + __powerpc__;' >> conftest.c -+ libgcc_cv_copysignl_lib="-lc" -+ if { ac_try='${CC-cc} -S conftest.c -o conftest.s 1>&5' -+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 -+ (eval $ac_try) 2>&5 -+ ac_status=$? -+ echo "$as_me:$LINENO: \$? = $ac_status" >&5 -+ (exit $ac_status); }; } -+ then -+ libgcc_cv_copysignl_lib="-lm" -+ fi -+ rm -f conftest.* -+ -+fi -+echo "$as_me:$LINENO: result: $libgcc_cv_copysignl_lib" >&5 -+echo "${ECHO_T}$libgcc_cv_copysignl_lib" >&6 -+ -+case /${libgcc_cv_copysignl_lib}/ in -+ /-lm/) LIBGCC_LIBM="$LIBGCC_LIBM -lm" ;; -+ *) LIBGCC_LIBM= ;; -+esac - - # Conditionalize the makefile for this target machine. - tmake_file_= -diff -Nura gcc-4.7.3.orig/libgcc/configure.ac gcc-4.7.3/libgcc/configure.ac ---- gcc-4.7.3.orig/libgcc/configure.ac 2013-04-11 15:23:46.551573051 -0300 -+++ gcc-4.7.3/libgcc/configure.ac 2013-04-11 15:25:06.244141901 -0300 -@@ -324,6 +324,27 @@ - fi - AC_SUBST(set_have_cc_tls) - -+# On powerpc libgcc_s references copysignl which is a libm function but -+# glibc apparently also provides it via libc as opposed to uClibc where -+# it lives in libm. -+AC_CACHE_CHECK -+ libgcc_cv_copysignl_lib, -+ echo '#include <features.h>' > conftest.c -+ echo 'int the_libc = __UCLIBC__ + __powerpc__;' >> conftest.c -+ libgcc_cv_copysignl_lib="-lc" -+ if AC_TRY_COMMAND(${CC-cc} -S conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD) -+ then -+ libgcc_cv_copysignl_lib="-lm" -+ fi -+ rm -f conftest.* -+ ]) -+ -+case /${libgcc_cv_copysignl_lib}/ in -+ /-lm/) LIBGCC_LIBM="$LIBGCC_LIBM -lm" ;; -+ *) LIBGCC_LIBM= ;; -+esac -+AC_SUBST(LIBGCC_LIBM) -+ - # See if we have emulated thread-local storage. - GCC_CHECK_EMUTLS - set_use_emutls= -diff -Nura gcc-4.7.3.orig/libgcc/Makefile.in gcc-4.7.3/libgcc/Makefile.in ---- gcc-4.7.3.orig/libgcc/Makefile.in 2013-04-11 15:23:46.537572599 -0300 -+++ gcc-4.7.3/libgcc/Makefile.in 2013-04-11 15:25:06.241141824 -0300 -@@ -41,6 +41,7 @@ - decimal_float = @decimal_float@ - enable_decimal_float = @enable_decimal_float@ - fixed_point = @fixed_point@ -+LIBGCC_LIBM = @LIBGCC_LIBM@ - - host_noncanonical = @host_noncanonical@ - target_noncanonical = @target_noncanonical@ -@@ -928,9 +929,10 @@ - @multilib_dir@,$(MULTIDIR),$(subst \ - @shlib_objs@,$(objects) libgcc.a,$(subst \ - @shlib_base_name@,libgcc_s,$(subst \ -+ @libgcc_libm@,$(LIBGCC_LIBM),$(subst \ - @shlib_map_file@,$(mapfile),$(subst \ - @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(subst \ -- @shlib_slibdir@,$(shlib_slibdir),$(SHLIB_LINK)))))))) -+ @shlib_slibdir@,$(shlib_slibdir),$(SHLIB_LINK))))))))) - - libunwind$(SHLIB_EXT): $(libunwind-s-objects) $(extra-parts) - # @multilib_flags@ is still needed because this may use |