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diff -Naur gcc-15.1.0/fixincludes/mkfixinc.sh gcc-patched/fixincludes/mkfixinc.sh
--- gcc-15.1.0/fixincludes/mkfixinc.sh 2025-04-25 11:17:59.000000000 +0300
+++ gcc-patched/fixincludes/mkfixinc.sh 2025-07-26 08:31:28.520072553 +0300
@@ -13,6 +13,8 @@
case $machine in
i?86-*-cygwin* | \
*-mingw32* | \
+ *-*-mlibc* | \
+ *-mlibc* | \
powerpc-*-eabisim* | \
powerpc-*-eabi* | \
powerpc-*-rtems* | \
diff -Naur gcc-15.1.0/gcc/config/gnu-user.h gcc-patched/gcc/config/gnu-user.h
--- gcc-15.1.0/gcc/config/gnu-user.h 2025-04-25 11:18:00.000000000 +0300
+++ gcc-patched/gcc/config/gnu-user.h 2025-07-26 09:09:48.204916096 +0300
@@ -51,13 +51,12 @@
#define GNU_USER_TARGET_STARTFILE_SPEC \
"%{shared:; \
pg|p|profile:%{static-pie:grcrt1.o%s;:gcrt1.o%s}; \
- static:crt1.o%s; \
- static-pie:rcrt1.o%s; \
+ static|static-pie:%{" PIE_SPEC ":rcrt1.o%s;:crt1.o%s}; \
" PIE_SPEC ":Scrt1.o%s; \
:crt1.o%s} " \
GNU_USER_TARGET_CRTI " \
- %{static:crtbeginT.o%s; \
- shared|static-pie|" PIE_SPEC ":crtbeginS.o%s; \
+ %{shared|" PIE_SPEC ":crtbeginS.o%s; \
+ static:crtbeginT.o%s; \
:crtbegin.o%s} \
%{fvtable-verify=none:%s; \
fvtable-verify=preinit:vtv_start_preinit.o%s; \
@@ -73,11 +72,11 @@
GNU userspace "finalizer" file, `crtn.o'. */
#define GNU_USER_TARGET_ENDFILE_SPEC \
- "%{!static:%{fvtable-verify=none:%s; \
+ "%{static|static-pie:; \
+ fvtable-verify=none:%s; \
fvtable-verify=preinit:vtv_end_preinit.o%s; \
fvtable-verify=std:vtv_end.o%s}} \
- %{static:crtend.o%s; \
- shared|static-pie|" PIE_SPEC ":crtendS.o%s; \
+ %{shared|" PIE_SPEC ":crtendS.o%s; \
:crtend.o%s} " \
GNU_USER_TARGET_CRTN " " \
CRTOFFLOADEND
@@ -106,7 +105,7 @@
#define LIB_SPEC GNU_USER_TARGET_LIB_SPEC
#if defined(HAVE_LD_EH_FRAME_HDR)
-#define LINK_EH_SPEC "%{!static|static-pie:--eh-frame-hdr} "
+#define LINK_EH_SPEC "%{!static|" PIE_SPEC ":--eh-frame-hdr} "
#endif
#define GNU_USER_TARGET_LINK_GCC_C_SEQUENCE_SPEC \
diff -Naur gcc-15.1.0/gcc/config/orange.h gcc-patched/gcc/config/orange.h
--- gcc-15.1.0/gcc/config/orange.h 1970-01-01 03:00:00.000000000 +0300
+++ gcc-patched/gcc/config/orange.h 2025-07-26 08:30:27.666446812 +0300
@@ -0,0 +1,31 @@
+/* Useful if you wish to make target-specific GCC changes. */
+#undef TARGET_ORANGE
+#define TARGET_ORANGE 1
+
+#undef LINK_SPEC
+#define LINK_SPEC "%{shared:-shared} %{static:-static} %{!shared: %{!static: %{rdynamic:-export-dynamic}}}"
+
+/* Default arguments you want when running your
+ i686-myos-gcc/x86_64-myos-gcc toolchain */
+#undef LIB_SPEC
+#define LIB_SPEC "-lc" /* link against C standard library */
+
+/* Files that are linked before user code.
+ The %s tells GCC to look for these files in the library directory. */
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC "%{!shared:crt0.o%s} crti.o%s %{shared|static-pie|pie|!no-pie:crtbeginS.o%s;:crtbegin.o%s}"
+
+/* Files that are linked after user code. */
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC "%{shared|static-pie|pie|!no-pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
+
+/* Additional predefined macros. */
+#undef TARGET_OS_CPP_BUILTINS
+#define TARGET_OS_CPP_BUILTINS() \
+ do { \
+ builtin_define ("__orange__"); builtin_define ("__mlibc__"); \
+ builtin_define ("__unix__"); \
+ builtin_assert ("system=orange"); \
+ builtin_assert ("system=unix"); \
+ builtin_assert ("system=posix"); \
+ } while(0);
diff -Naur gcc-15.1.0/gcc/config/sh/sh.cc gcc-patched/gcc/config/sh/sh.cc
--- gcc-15.1.0/gcc/config/sh/sh.cc 2025-04-25 11:18:00.000000000 +0300
+++ gcc-patched/gcc/config/sh/sh.cc 2025-07-26 09:12:46.043423847 +0300
@@ -9154,7 +9154,7 @@
{
/* Weak functions may be NULL which doesn't work with
GOTOFFFUNCDESC because the runtime offset is not known. */
- if (SYMBOL_REF_WEAK (orig))
+ if (SYMBOL_REF_WEAK (orig) || (TREE_PUBLIC(SYMBOL_REF_DECL(orig)) && DECL_VISIBILITY (SYMBOL_REF_DECL(orig)) != VISIBILITY_HIDDEN))
emit_insn (gen_symGOTFUNCDESC2reg (reg, orig));
else
emit_insn (gen_symGOTOFFFUNCDESC2reg (reg, orig));
diff -Naur gcc-15.1.0/gcc/config.gcc gcc-patched/gcc/config.gcc
--- gcc-15.1.0/gcc/config.gcc 2025-04-25 11:18:00.000000000 +0300
+++ gcc-patched/gcc/config.gcc 2025-07-26 08:28:59.040282804 +0300
@@ -993,6 +993,13 @@
rust_target_objs="${rust_target_objs} netbsd-rust.o"
target_has_targetrustm=yes
;;
+*-*-*-mlibc)
+ extra_options="$extra_options gnu-user.opt"
+ gas=yes
+ gnu_ld=yes
+ default_use_cxa_atexit=yes
+ use_gcc_stdint=provide
+ ;;
*-*-openbsd*)
tmake_file="t-openbsd"
case ${enable_threads} in
@@ -1700,6 +1707,12 @@
extra_options="${extra_options} cris/elf.opt"
use_gcc_stdint=wrap
;;
+i[34567]86-*-orange*)
+ tm_file="${tm_file} i386/unix.h i386/att.h elfos.h glibc-stdint.h i386/i386elf.h orange.h"
+ ;;
+x86_64-*-orange*)
+ tm_file="${tm_file} i386/unix.h i386/att.h elfos.h glibc-stdint.h i386/i386elf.h i386/x86-64.h orange.h"
+ ;;
csky-*-*)
if test x${with_endian} != x; then
case ${with_endian} in
diff -Naur gcc-15.1.0/gcc/gcc.cc gcc-patched/gcc/gcc.cc
--- gcc-15.1.0/gcc/gcc.cc 2025-04-25 11:18:00.000000000 +0300
+++ gcc-patched/gcc/gcc.cc 2025-07-26 09:12:09.498633227 +0300
@@ -1023,7 +1023,7 @@
#define NO_FPIE_AND_FPIC_SPEC NO_FPIE_SPEC "|" NO_FPIC_SPEC
#define FPIE_OR_FPIC_SPEC NO_FPIE_AND_FPIC_SPEC ":;"
#else
-#define PIE_SPEC "pie"
+#define PIE_SPEC "pie|static-pie"
#define FPIE1_SPEC "fpie"
#define NO_FPIE1_SPEC FPIE1_SPEC ":;"
#define FPIE2_SPEC "fPIE"
@@ -1047,12 +1047,12 @@
#ifndef LINK_PIE_SPEC
#ifdef HAVE_LD_PIE
#ifndef LD_PIE_SPEC
-#define LD_PIE_SPEC "-pie"
+#define LD_PIE_SPEC "-pie %{static|static-pie:--no-dynamic-linker -z text -Bsymbolic}"
#endif
#else
#define LD_PIE_SPEC ""
#endif
-#define LINK_PIE_SPEC "%{static|shared|r:;" PIE_SPEC ":" LD_PIE_SPEC "} "
+#define LINK_PIE_SPEC "%{shared|r:;" PIE_SPEC ":" LD_PIE_SPEC "} "
#endif
#ifndef LINK_BUILDID_SPEC
diff -Naur gcc-15.1.0/libgcc/config.host gcc-patched/libgcc/config.host
--- gcc-15.1.0/libgcc/config.host 2025-04-25 11:18:04.000000000 +0300
+++ gcc-patched/libgcc/config.host 2025-07-26 09:16:11.367660694 +0300
@@ -750,6 +750,14 @@
extra_parts="$extra_parts crtfastmath.o libheapt_w.a"
tmake_file="${tmake_file} i386/t-heap-trampoline"
;;
+*-*-*-mlibc)
+ extra_parts="$extra_parts crti.o crtbegin.o crtend.o crtn.o crtbeginS.o crtendS.o"
+ tmake_file="$tmake_file i386/t-crtstuff t-crtstuff-pic t-libgcc-pic"
+ ;;
+x86_64-*-*-mlibc)
+ extra_parts="$extra_parts crti.o crtbegin.o crtend.o crtn.o crtbeginS.o crtendS.o"
+ tmake_file="$tmake_file i386/t-crtstuff t-crtstuff-pic t-libgcc-pic"
+ ;;
i[34567]86-*-elfiamcu)
tmake_file="$tmake_file i386/t-crtstuff t-softfp-sfdftf i386/32/t-softfp i386/32/t-iamcu i386/t-softfp t-softfp t-dfprules"
;;
diff -Naur gcc-15.1.0/libstdc++-v3/crossconfig.m4 gcc-patched/libstdc++-v3/crossconfig.m4
--- gcc-15.1.0/libstdc++-v3/crossconfig.m4 2025-04-25 11:18:05.000000000 +0300
+++ gcc-patched/libstdc++-v3/crossconfig.m4 2025-07-26 09:14:05.187145188 +0300
@@ -257,12 +257,19 @@
AC_DEFINE(HAVE_ISNANL)
fi
;;
+
*-*vms*)
# Check for available headers.
# Don't call GLIBCXX_CHECK_LINKER_FEATURES, VMS doesn't have a GNU ld
GLIBCXX_CHECK_MATH_SUPPORT
GLIBCXX_CHECK_STDLIB_SUPPORT
;;
+ *-mlibc*)
+ GLIBCXX_CHECK_COMPILER_FEATURES
+ GLIBCXX_CHECK_LINKER_FEATURES
+ GLIBCXX_CHECK_MATH_SUPPORT
+ GLIBCXX_CHECK_STDLIB_SUPPORT
+ ;;
*-vxworks*)
AC_DEFINE(HAVE_ACOSF)
AC_DEFINE(HAVE_ASINF)
|
