add patch

(Portage version: 2.1.6.11/cvs/Linux ia64)
 (Unsigned Manifest commit)

1 files changed, 89 insertions, 0 deletions

diff --git a/sys-devel/gcc/files/4.4.0/gcc-4.4.0-softfloat.patch b/sys-devel/gcc/files/4.4.0/gcc-4.4.0-softfloat.patch
new file mode 100644
index 000000000000..bf8d7180cf5d
--- /dev/null
+++ b/sys-devel/gcc/files/4.4.0/gcc-4.4.0-softfloat.patch
@@ -0,0 +1,89 @@
+The hunk for gcc/config/arm/t-linux comes from:
+http://gcc.gnu.org/PR14352
+
+The rest is a custom job by Yuri Vasilevski.
+
+The idea here is that we add soft float support into the spec file
+so that we don't have to worry about packages stripping out softfloat
+flags from CFLAGS/CXXFLAGS.
+
+http://bugs.gentoo.org/75585
+
+--- gcc-4.0.2/gcc/config/arm/elf.h
++++ gcc-4.0.2/gcc/config/arm/elf.h
+@@ -45,8 +45,9 @@
+ #endif
+ 
+ #ifndef SUBTARGET_ASM_FLOAT_SPEC
+-#define SUBTARGET_ASM_FLOAT_SPEC "\
+-%{mapcs-float:-mfloat}"
++#define SUBTARGET_ASM_FLOAT_SPEC "%{mapcs-float:-mfloat} \
++  %{mhard-float:-mfpu=fpa} \
++  %{!mhard-float: %{msoft-float:-mfpu=softfpa;:-mfpu=softvfp}}"
+ #endif
+ 
+ #ifndef ASM_SPEC
+@@ -58,8 +59,6 @@
+ %{mapcs-*:-mapcs-%*} \
+ %(subtarget_asm_float_spec) \
+ %{mthumb-interwork:-mthumb-interwork} \
+-%{msoft-float:-mfloat-abi=soft} %{mhard-float:-mfloat-abi=hard} \
+-%{mfloat-abi=*} %{mfpu=*} \
+ %(subtarget_extra_asm_spec)"
+ #endif
+ 
+--- gcc-4.0.2/gcc/config/arm/linux-elf.h
++++ gcc-4.0.2/gcc/config/arm/linux-elf.h
+@@ -28,7 +28,7 @@
+ #define TARGET_VERSION  fputs (" (ARM GNU/Linux with ELF)", stderr);
+ 
+ #undef  TARGET_DEFAULT_FLOAT_ABI
+-#define TARGET_DEFAULT_FLOAT_ABI ARM_FLOAT_ABI_HARD
++#define TARGET_DEFAULT_FLOAT_ABI ARM_FLOAT_ABI_SOFT
+ 
+ /* TARGET_BIG_ENDIAN_DEFAULT is set in
+    config.gcc for big endian configurations.  */
+@@ -44,6 +44,10 @@
+ 
+ #undef  TARGET_DEFAULT
+ #define TARGET_DEFAULT (TARGET_ENDIAN_DEFAULT)
++#undef  SUBTARGET_EXTRA_ASM_SPEC
++#define SUBTARGET_EXTRA_ASM_SPEC "%{mhard-float:-mfpu=fpa} \
++  %{!mhard-float: %{msoft-float:-mfpu=softfpa;:-mfpu=softvfp}}"
++
+ 
+ #define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm6
+ 
+@@ -51,7 +55,7 @@
+ 
+ #undef  MULTILIB_DEFAULTS
+ #define MULTILIB_DEFAULTS \
+-	{ "marm", "mlittle-endian", "mhard-float", "mno-thumb-interwork" }
++	{ "marm", TARGET_ENDIAN_OPTION, "msoft-float", "mno-thumb-interwork" }
+ 
+ /* Now we define the strings used to build the spec file.  */
+ #undef  LIB_SPEC
+@@ -60,7 +64,7 @@
+    %{shared:-lc} \
+    %{!shared:%{profile:-lc_p}%{!profile:-lc}}"
+ 
+-#define LIBGCC_SPEC "%{msoft-float:-lfloat} %{mfloat-abi=soft*:-lfloat} -lgcc"
++#define LIBGCC_SPEC "-lgcc"
+ 
+ #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"
+ 
+--- gcc-4.0.2/gcc/config/arm/t-linux
++++ gcc-4.0.2/gcc/config/arm/t-linux
+@@ -3,8 +3,10 @@
+ TARGET_LIBGCC2_CFLAGS = -fomit-frame-pointer -fPIC
+ 
+ LIB1ASMSRC = arm/lib1funcs.asm
+-LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_lnx _clzsi2 _clzdi2 \
+-	_arm_addsubdf3 _arm_addsubsf3
++LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_lnx \
++	_negdf2 _addsubdf3 _muldivdf3 _cmpdf2 _unorddf2 _fixdfsi _fixunsdfsi \
++	_truncdfsf2 _negsf2 _addsubsf3 _muldivsf3 _cmpsf2 _unordsf2 \
++	_fixsfsi _fixunssfsi _floatdidf _floatdisf
+ 
+ # MULTILIB_OPTIONS = mhard-float/msoft-float
+ # MULTILIB_DIRNAMES = hard-float soft-float