diff options
Diffstat (limited to 'toolchain/gcc/patches')
17 files changed, 911 insertions, 0 deletions
diff --git a/toolchain/gcc/patches/4.9-linaro/001-revert_register_mode_search.patch b/toolchain/gcc/patches/4.9-linaro/001-revert_register_mode_search.patch new file mode 100644 index 0000000000..5adb22ad42 --- /dev/null +++ b/toolchain/gcc/patches/4.9-linaro/001-revert_register_mode_search.patch @@ -0,0 +1,65 @@ +Revert of: + +commit 275035b56823b26d5fb7e90fad945b998648edf2 +Author: bergner <bergner@138bc75d-0d04-0410-961f-82ee72b054a4> +Date: Thu Sep 5 14:09:07 2013 +0000 + + PR target/58139 + * reginfo.c (choose_hard_reg_mode): Scan through all mode classes + looking for widest mode. + + + git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@202286 138bc75d-0d04-0410-961f-82ee72b054a4 + + +--- a/gcc/reginfo.c ++++ b/gcc/reginfo.c +@@ -621,35 +621,40 @@ choose_hard_reg_mode (unsigned int regno + mode = GET_MODE_WIDER_MODE (mode)) + if ((unsigned) hard_regno_nregs[regno][mode] == nregs + && HARD_REGNO_MODE_OK (regno, mode) +- && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)) +- && GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_mode)) ++ && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))) + found_mode = mode; + ++ if (found_mode != VOIDmode) ++ return found_mode; ++ + for (mode = GET_CLASS_NARROWEST_MODE (MODE_FLOAT); + mode != VOIDmode; + mode = GET_MODE_WIDER_MODE (mode)) + if ((unsigned) hard_regno_nregs[regno][mode] == nregs + && HARD_REGNO_MODE_OK (regno, mode) +- && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)) +- && GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_mode)) ++ && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))) + found_mode = mode; + ++ if (found_mode != VOIDmode) ++ return found_mode; ++ + for (mode = GET_CLASS_NARROWEST_MODE (MODE_VECTOR_FLOAT); + mode != VOIDmode; + mode = GET_MODE_WIDER_MODE (mode)) + if ((unsigned) hard_regno_nregs[regno][mode] == nregs + && HARD_REGNO_MODE_OK (regno, mode) +- && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)) +- && GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_mode)) ++ && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))) + found_mode = mode; + ++ if (found_mode != VOIDmode) ++ return found_mode; ++ + for (mode = GET_CLASS_NARROWEST_MODE (MODE_VECTOR_INT); + mode != VOIDmode; + mode = GET_MODE_WIDER_MODE (mode)) + if ((unsigned) hard_regno_nregs[regno][mode] == nregs + && HARD_REGNO_MODE_OK (regno, mode) +- && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)) +- && GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_mode)) ++ && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))) + found_mode = mode; + + if (found_mode != VOIDmode) diff --git a/toolchain/gcc/patches/4.9-linaro/010-documentation.patch b/toolchain/gcc/patches/4.9-linaro/010-documentation.patch new file mode 100644 index 0000000000..b8adce838f --- /dev/null +++ b/toolchain/gcc/patches/4.9-linaro/010-documentation.patch @@ -0,0 +1,23 @@ +--- a/gcc/Makefile.in ++++ b/gcc/Makefile.in +@@ -2842,18 +2842,10 @@ doc/gcc.info: $(TEXI_GCC_FILES) + doc/gccint.info: $(TEXI_GCCINT_FILES) + doc/cppinternals.info: $(TEXI_CPPINT_FILES) + +-doc/%.info: %.texi +- if [ x$(BUILD_INFO) = xinfo ]; then \ +- $(MAKEINFO) $(MAKEINFOFLAGS) -I . -I $(gcc_docdir) \ +- -I $(gcc_docdir)/include -o $@ $<; \ +- fi ++doc/%.info: + + # Duplicate entry to handle renaming of gccinstall.info +-doc/gccinstall.info: $(TEXI_GCCINSTALL_FILES) +- if [ x$(BUILD_INFO) = xinfo ]; then \ +- $(MAKEINFO) $(MAKEINFOFLAGS) -I $(gcc_docdir) \ +- -I $(gcc_docdir)/include -o $@ $<; \ +- fi ++doc/gccinstall.info: + + doc/cpp.dvi: $(TEXI_CPP_FILES) + doc/gcc.dvi: $(TEXI_GCC_FILES) diff --git a/toolchain/gcc/patches/4.9-linaro/100-uclibc-conf.patch b/toolchain/gcc/patches/4.9-linaro/100-uclibc-conf.patch new file mode 100644 index 0000000000..ff9ad94f62 --- /dev/null +++ b/toolchain/gcc/patches/4.9-linaro/100-uclibc-conf.patch @@ -0,0 +1,33 @@ +--- a/contrib/regression/objs-gcc.sh ++++ b/contrib/regression/objs-gcc.sh +@@ -106,6 +106,10 @@ if [ $H_REAL_TARGET = $H_REAL_HOST -a $H + then + make all-gdb all-dejagnu all-ld || exit 1 + make install-gdb install-dejagnu install-ld || exit 1 ++elif [ $H_REAL_TARGET = $H_REAL_HOST -a $H_REAL_TARGET = i686-pc-linux-uclibc ] ++ then ++ make all-gdb all-dejagnu all-ld || exit 1 ++ make install-gdb install-dejagnu install-ld || exit 1 + elif [ $H_REAL_TARGET = $H_REAL_HOST ] ; then + make bootstrap || exit 1 + make install || exit 1 +--- a/libjava/classpath/ltconfig ++++ b/libjava/classpath/ltconfig +@@ -603,7 +603,7 @@ host_os=`echo $host | sed 's/^\([^-]*\)- + + # Transform linux* to *-*-linux-gnu*, to support old configure scripts. + case $host_os in +-linux-gnu*) ;; ++linux-gnu*|linux-uclibc*) ;; + linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'` + esac + +@@ -1247,7 +1247,7 @@ linux-gnuoldld* | linux-gnuaout* | linux + ;; + + # This must be Linux ELF. +-linux-gnu*) ++linux*) + version_type=linux + need_lib_prefix=no + need_version=no diff --git a/toolchain/gcc/patches/4.9-linaro/200-musl.patch b/toolchain/gcc/patches/4.9-linaro/200-musl.patch new file mode 100644 index 0000000000..861b66f53b --- /dev/null +++ b/toolchain/gcc/patches/4.9-linaro/200-musl.patch @@ -0,0 +1,320 @@ +--- a/gcc/config.gcc ++++ b/gcc/config.gcc +@@ -594,7 +594,7 @@ case ${target} in + esac + + # Common C libraries. +-tm_defines="$tm_defines LIBC_GLIBC=1 LIBC_UCLIBC=2 LIBC_BIONIC=3" ++tm_defines="$tm_defines LIBC_GLIBC=1 LIBC_UCLIBC=2 LIBC_BIONIC=3 LIBC_MUSL=4" + + # 32-bit x86 processors supported by --with-arch=. Each processor + # MUST be separated by exactly one space. +@@ -719,6 +719,9 @@ case ${target} in + *-*-*uclibc*) + tm_defines="$tm_defines DEFAULT_LIBC=LIBC_UCLIBC" + ;; ++ *-*-*musl*) ++ tm_defines="$tm_defines DEFAULT_LIBC=LIBC_MUSL" ++ ;; + *) + tm_defines="$tm_defines DEFAULT_LIBC=LIBC_GLIBC" + ;; +--- a/gcc/config/arm/linux-eabi.h ++++ b/gcc/config/arm/linux-eabi.h +@@ -77,6 +77,10 @@ + %{mfloat-abi=soft*:" GLIBC_DYNAMIC_LINKER_SOFT_FLOAT "} \ + %{!mfloat-abi=*:" GLIBC_DYNAMIC_LINKER_DEFAULT "}" + ++/* musl has no "classic" (i.e. broken) mode */ ++#undef MUSL_DYNAMIC_LINKER ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-arm.so.1" ++ + /* At this point, bpabi.h will have clobbered LINK_SPEC. We want to + use the GNU/Linux version, not the generic BPABI version. */ + #undef LINK_SPEC +--- a/gcc/config/i386/linux.h ++++ b/gcc/config/i386/linux.h +@@ -21,3 +21,4 @@ along with GCC; see the file COPYING3. + + #define GNU_USER_LINK_EMULATION "elf_i386" + #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-i386.so.1" +--- a/gcc/config/i386/linux64.h ++++ b/gcc/config/i386/linux64.h +@@ -30,3 +30,7 @@ see the files COPYING3 and COPYING.RUNTI + #define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2" + #define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux-x86-64.so.2" + #define GLIBC_DYNAMIC_LINKERX32 "/libx32/ld-linux-x32.so.2" ++ ++#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-i386.so.1" ++#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-x86_64.so.1" ++#define MUSL_DYNAMIC_LINKERX32 "/lib/ld-musl-x32.so.1" +--- a/gcc/config/linux.h ++++ b/gcc/config/linux.h +@@ -32,10 +32,12 @@ see the files COPYING3 and COPYING.RUNTI + #define OPTION_GLIBC (DEFAULT_LIBC == LIBC_GLIBC) + #define OPTION_UCLIBC (DEFAULT_LIBC == LIBC_UCLIBC) + #define OPTION_BIONIC (DEFAULT_LIBC == LIBC_BIONIC) ++#define OPTION_MUSL (DEFAULT_LIBC == LIBC_MUSL) + #else + #define OPTION_GLIBC (linux_libc == LIBC_GLIBC) + #define OPTION_UCLIBC (linux_libc == LIBC_UCLIBC) + #define OPTION_BIONIC (linux_libc == LIBC_BIONIC) ++#define OPTION_MUSL (linux_libc == LIBC_MUSL) + #endif + + #define GNU_USER_TARGET_OS_CPP_BUILTINS() \ +@@ -53,18 +55,21 @@ see the files COPYING3 and COPYING.RUNTI + uClibc or Bionic is the default C library and whether + -muclibc or -mglibc or -mbionic has been passed to change the default. */ + +-#define CHOOSE_DYNAMIC_LINKER1(LIBC1, LIBC2, LIBC3, LD1, LD2, LD3) \ +- "%{" LIBC2 ":" LD2 ";:%{" LIBC3 ":" LD3 ";:" LD1 "}}" ++#define CHOOSE_DYNAMIC_LINKER1(LIBC1, LIBC2, LIBC3, LIBC4, LD1, LD2, LD3, LD4) \ ++ "%{" LIBC2 ":" LD2 ";:%{" LIBC3 ":" LD3 ";:%{" LIBC4 ":" LD4 ";:" LD1 "}}}" + + #if DEFAULT_LIBC == LIBC_GLIBC +-#define CHOOSE_DYNAMIC_LINKER(G, U, B) \ +- CHOOSE_DYNAMIC_LINKER1 ("mglibc", "muclibc", "mbionic", G, U, B) ++#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \ ++ CHOOSE_DYNAMIC_LINKER1 ("mglibc", "muclibc", "mbionic", "mmusl", G, U, B, M) + #elif DEFAULT_LIBC == LIBC_UCLIBC +-#define CHOOSE_DYNAMIC_LINKER(G, U, B) \ +- CHOOSE_DYNAMIC_LINKER1 ("muclibc", "mglibc", "mbionic", U, G, B) ++#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \ ++ CHOOSE_DYNAMIC_LINKER1 ("muclibc", "mglibc", "mbionic", "mmusl", U, G, B, M) + #elif DEFAULT_LIBC == LIBC_BIONIC +-#define CHOOSE_DYNAMIC_LINKER(G, U, B) \ +- CHOOSE_DYNAMIC_LINKER1 ("mbionic", "mglibc", "muclibc", B, G, U) ++#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \ ++ CHOOSE_DYNAMIC_LINKER1 ("mbionic", "mglibc", "muclibc", "mmusl", B, G, U, M) ++#elif DEFAULT_LIBC == LIBC_MUSL ++#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \ ++ CHOOSE_DYNAMIC_LINKER1 ("mmusl", "mglibc", "muclibc", "mbionic", M, G, U, B) + #else + #error "Unsupported DEFAULT_LIBC" + #endif /* DEFAULT_LIBC */ +@@ -84,16 +89,16 @@ see the files COPYING3 and COPYING.RUNTI + + #define GNU_USER_DYNAMIC_LINKER \ + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, \ +- BIONIC_DYNAMIC_LINKER) ++ BIONIC_DYNAMIC_LINKER, MUSL_DYNAMIC_LINKER) + #define GNU_USER_DYNAMIC_LINKER32 \ + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32, \ +- BIONIC_DYNAMIC_LINKER32) ++ BIONIC_DYNAMIC_LINKER32, MUSL_DYNAMIC_LINKER32) + #define GNU_USER_DYNAMIC_LINKER64 \ + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64, \ +- BIONIC_DYNAMIC_LINKER64) ++ BIONIC_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKER64) + #define GNU_USER_DYNAMIC_LINKERX32 \ + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKERX32, UCLIBC_DYNAMIC_LINKERX32, \ +- BIONIC_DYNAMIC_LINKERX32) ++ BIONIC_DYNAMIC_LINKERX32, MUSL_DYNAMIC_LINKERX32) + + /* Whether we have Bionic libc runtime */ + #undef TARGET_HAS_BIONIC +--- a/gcc/config/linux.opt ++++ b/gcc/config/linux.opt +@@ -30,3 +30,7 @@ Use GNU C library + muclibc + Target Report RejectNegative Var(linux_libc,LIBC_UCLIBC) Negative(mbionic) + Use uClibc C library ++ ++mmusl ++Target Report RejectNegative Var(linux_libc,LIBC_MUSL) Negative(mglibc) ++Use musl C library +--- a/gcc/config/mips/linux.h ++++ b/gcc/config/mips/linux.h +@@ -23,3 +23,5 @@ along with GCC; see the file COPYING3. + #undef UCLIBC_DYNAMIC_LINKER + #define UCLIBC_DYNAMIC_LINKER \ + "%{mnan=2008:/lib/ld-uClibc-mipsn8.so.0;:/lib/ld-uClibc.so.0}" ++ ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-mips.so.1" +--- a/gcc/config/rs6000/linux64.h ++++ b/gcc/config/rs6000/linux64.h +@@ -375,17 +375,21 @@ extern int dot_symbols; + #endif + #define UCLIBC_DYNAMIC_LINKER32 "/lib/ld-uClibc.so.0" + #define UCLIBC_DYNAMIC_LINKER64 "/lib/ld64-uClibc.so.0" ++#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-powerpc.so.1" ++#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-powerpc64.so.1" + #if DEFAULT_LIBC == LIBC_UCLIBC +-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}" ++#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{mmusl:" M ";:" U "}}" + #elif DEFAULT_LIBC == LIBC_GLIBC +-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}" ++#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{muclibc:" U ";:%{mmusl:" M ";:" G "}}" ++#elif DEFAULT_LIBC == LIBC_MUSL ++#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{muclibc:" U ";:" M "}}" + #else + #error "Unsupported DEFAULT_LIBC" + #endif + #define GNU_USER_DYNAMIC_LINKER32 \ +- CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32) ++ CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32, MUSL_DYNAMIC_LINKER32) + #define GNU_USER_DYNAMIC_LINKER64 \ +- CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64) ++ CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKER64) + + #undef DEFAULT_ASM_ENDIAN + #if (TARGET_DEFAULT & MASK_LITTLE_ENDIAN) +--- a/gcc/config/rs6000/sysv4.h ++++ b/gcc/config/rs6000/sysv4.h +@@ -763,15 +763,18 @@ ENDIAN_SELECT(" -mbig", " -mlittle", DEF + + #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" + #define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0" ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-powerpc.so.1" + #if DEFAULT_LIBC == LIBC_UCLIBC +-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}" ++#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{mmusl:" M ";:" U "}}" ++#elif DEFAULT_LIBC == LIBC_MUSL ++#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{muclibc:" U ";:" M "}}" + #elif !defined (DEFAULT_LIBC) || DEFAULT_LIBC == LIBC_GLIBC +-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}" ++#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{muclibc:" U ";:%{mmusl:" M ";:" G "}}" + #else + #error "Unsupported DEFAULT_LIBC" + #endif + #define GNU_USER_DYNAMIC_LINKER \ +- CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER) ++ CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, MUSL_DYNAMIC_LINKER) + + #define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \ + %{rdynamic:-export-dynamic} \ +--- a/gcc/ginclude/stddef.h ++++ b/gcc/ginclude/stddef.h +@@ -181,6 +181,7 @@ typedef __PTRDIFF_TYPE__ ptrdiff_t; + #ifndef _GCC_SIZE_T + #ifndef _SIZET_ + #ifndef __size_t ++#ifndef __DEFINED_size_t /* musl */ + #define __size_t__ /* BeOS */ + #define __SIZE_T__ /* Cray Unicos/Mk */ + #define _SIZE_T +@@ -197,6 +198,7 @@ typedef __PTRDIFF_TYPE__ ptrdiff_t; + #define ___int_size_t_h + #define _GCC_SIZE_T + #define _SIZET_ ++#define __DEFINED_size_t /* musl */ + #if (defined (__FreeBSD__) && (__FreeBSD__ >= 5)) \ + || defined(__FreeBSD_kernel__) + /* __size_t is a typedef on FreeBSD 5, must not trash it. */ +@@ -214,6 +216,7 @@ typedef __SIZE_TYPE__ size_t; + typedef long ssize_t; + #endif /* __BEOS__ */ + #endif /* !(defined (__GNUG__) && defined (size_t)) */ ++#endif /* __DEFINED_size_t */ + #endif /* __size_t */ + #endif /* _SIZET_ */ + #endif /* _GCC_SIZE_T */ +--- a/libgomp/config/posix/time.c ++++ b/libgomp/config/posix/time.c +@@ -28,6 +28,8 @@ + The following implementation uses the most simple POSIX routines. + If present, POSIX 4 clocks should be used instead. */ + ++#define _POSIX_C_SOURCE 199309L /* for clocks */ ++ + #include "libgomp.h" + #include <unistd.h> + #if TIME_WITH_SYS_TIME +--- a/libitm/config/arm/hwcap.cc ++++ b/libitm/config/arm/hwcap.cc +@@ -40,7 +40,11 @@ int GTM_hwcap HIDDEN = 0 + + #ifdef __linux__ + #include <unistd.h> ++#ifdef __GLIBC__ + #include <sys/fcntl.h> ++#else ++#include <fcntl.h> ++#endif + #include <elf.h> + + static void __attribute__((constructor)) +--- a/libitm/config/linux/x86/tls.h ++++ b/libitm/config/linux/x86/tls.h +@@ -25,16 +25,19 @@ + #ifndef LIBITM_X86_TLS_H + #define LIBITM_X86_TLS_H 1 + +-#if defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 10) ++#if defined(__GLIBC_PREREQ) ++#if __GLIBC_PREREQ(2, 10) + /* Use slots in the TCB head rather than __thread lookups. + GLIBC has reserved words 10 through 13 for TM. */ + #define HAVE_ARCH_GTM_THREAD 1 + #define HAVE_ARCH_GTM_THREAD_DISP 1 + #endif ++#endif + + #include "config/generic/tls.h" + +-#if defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 10) ++#if defined(__GLIBC_PREREQ) ++#if __GLIBC_PREREQ(2, 10) + namespace GTM HIDDEN { + + #ifdef __x86_64__ +@@ -101,5 +104,6 @@ static inline void set_abi_disp(struct a + + } // namespace GTM + #endif /* >= GLIBC 2.10 */ ++#endif + + #endif // LIBITM_X86_TLS_H +--- a/libstdc++-v3/configure.host ++++ b/libstdc++-v3/configure.host +@@ -264,6 +264,13 @@ case "${host_os}" in + os_include_dir="os/bsd/freebsd" + ;; + gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu) ++ # check for musl by target ++ case "${host_os}" in ++ *-musl*) ++ os_include_dir="os/generic" ++ ;; ++ *) ++ + if [ "$uclibc" = "yes" ]; then + os_include_dir="os/uclibc" + elif [ "$bionic" = "yes" ]; then +@@ -272,6 +279,9 @@ case "${host_os}" in + os_include_dir="os/gnu-linux" + fi + ;; ++ ++ esac ++ ;; + hpux*) + os_include_dir="os/hpux" + ;; +--- a/gcc/config/mips/linux64.h ++++ b/gcc/config/mips/linux64.h +@@ -39,6 +39,9 @@ along with GCC; see the file COPYING3. + "%{mnan=2008:/lib32/ld-uClibc-mipsn8.so.0;:/lib32/ld-uClibc.so.0}" + + #define BIONIC_DYNAMIC_LINKERN32 "/system/bin/linker32" ++#define MUSL_DYNAMIC_LINKERN32 "/lib/ld-musl-mips.so.1" ++#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-mips.so.1" ++#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-mips.so.1" + #define GNU_USER_DYNAMIC_LINKERN32 \ + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKERN32, UCLIBC_DYNAMIC_LINKERN32, \ +- BIONIC_DYNAMIC_LINKERN32) ++ BIONIC_DYNAMIC_LINKERN32, MUSL_DYNAMIC_LINKERN32) +--- a/gcc/config/sparc/linux64.h ++++ b/gcc/config/sparc/linux64.h +@@ -95,6 +95,9 @@ along with GCC; see the file COPYING3. + #define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2" + #define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux.so.2" + ++#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-sparc.so.1" ++#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-sparc.so.1" ++ + #ifdef SPARC_BI_ARCH + + #undef SUBTARGET_EXTRA_SPECS diff --git a/toolchain/gcc/patches/4.9-linaro/210-disable_libsanitizer_off_t_check.patch b/toolchain/gcc/patches/4.9-linaro/210-disable_libsanitizer_off_t_check.patch new file mode 100644 index 0000000000..56084692a1 --- /dev/null +++ b/toolchain/gcc/patches/4.9-linaro/210-disable_libsanitizer_off_t_check.patch @@ -0,0 +1,11 @@ +--- a/libsanitizer/interception/interception_type_test.cc ++++ b/libsanitizer/interception/interception_type_test.cc +@@ -31,7 +31,7 @@ COMPILER_CHECK(sizeof(OFF64_T) == sizeof + // rest (they depend on _FILE_OFFSET_BITS setting when building an application). + # if defined(__ANDROID__) || !defined _FILE_OFFSET_BITS || \ + _FILE_OFFSET_BITS != 64 +-COMPILER_CHECK(sizeof(OFF_T) == sizeof(off_t)); ++// COMPILER_CHECK(sizeof(OFF_T) == sizeof(off_t)); + # endif + + #endif diff --git a/toolchain/gcc/patches/4.9-linaro/800-arm_v5te_no_ldrd_strd.patch b/toolchain/gcc/patches/4.9-linaro/800-arm_v5te_no_ldrd_strd.patch new file mode 100644 index 0000000000..59022e3bad --- /dev/null +++ b/toolchain/gcc/patches/4.9-linaro/800-arm_v5te_no_ldrd_strd.patch @@ -0,0 +1,11 @@ +--- a/gcc/config/arm/arm.h ++++ b/gcc/config/arm/arm.h +@@ -282,7 +282,7 @@ extern void (*arm_lang_output_object_att + /* Thumb-1 only. */ + #define TARGET_THUMB1_ONLY (TARGET_THUMB1 && !arm_arch_notm) + +-#define TARGET_LDRD (arm_arch5e && ARM_DOUBLEWORD_ALIGN \ ++#define TARGET_LDRD (arm_arch6 && ARM_DOUBLEWORD_ALIGN \ + && !TARGET_THUMB1) + + #define TARGET_CRC32 (arm_arch_crc) diff --git a/toolchain/gcc/patches/4.9-linaro/810-arm-softfloat-libgcc.patch b/toolchain/gcc/patches/4.9-linaro/810-arm-softfloat-libgcc.patch new file mode 100644 index 0000000000..1d06f5b2ec --- /dev/null +++ b/toolchain/gcc/patches/4.9-linaro/810-arm-softfloat-libgcc.patch @@ -0,0 +1,25 @@ +--- a/libgcc/config/arm/t-linux ++++ b/libgcc/config/arm/t-linux +@@ -1,6 +1,10 @@ + LIB1ASMSRC = arm/lib1funcs.S + LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_lnx _clzsi2 _clzdi2 \ +- _ctzsi2 _arm_addsubdf3 _arm_addsubsf3 ++ _ctzsi2 _arm_addsubdf3 _arm_addsubsf3 \ ++ _arm_negdf2 _arm_muldivdf3 _arm_cmpdf2 _arm_unorddf2 \ ++ _arm_fixdfsi _arm_fixunsdfsi _arm_truncdfsf2 \ ++ _arm_negsf2 _arm_muldivsf3 _arm_cmpsf2 _arm_unordsf2 \ ++ _arm_fixsfsi _arm_fixunssfsi + + # Just for these, we omit the frame pointer since it makes such a big + # difference. +--- a/gcc/config/arm/linux-elf.h ++++ b/gcc/config/arm/linux-elf.h +@@ -60,8 +60,6 @@ + %{shared:-lc} \ + %{!shared:%{profile:-lc_p}%{!profile:-lc}}" + +-#define LIBGCC_SPEC "%{mfloat-abi=soft*:-lfloat} -lgcc" +- + #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" + + #define LINUX_TARGET_LINK_SPEC "%{h*} \ diff --git a/toolchain/gcc/patches/4.9-linaro/820-libgcc_pic.patch b/toolchain/gcc/patches/4.9-linaro/820-libgcc_pic.patch new file mode 100644 index 0000000000..ebd87f5826 --- /dev/null +++ b/toolchain/gcc/patches/4.9-linaro/820-libgcc_pic.patch @@ -0,0 +1,36 @@ +--- a/libgcc/Makefile.in ++++ b/libgcc/Makefile.in +@@ -881,11 +881,12 @@ $(libgcov-driver-objects): %$(objext): $ + + # Static libraries. + libgcc.a: $(libgcc-objects) ++libgcc_pic.a: $(libgcc-s-objects) + libgcov.a: $(libgcov-objects) + libunwind.a: $(libunwind-objects) + libgcc_eh.a: $(libgcc-eh-objects) + +-libgcc.a libgcov.a libunwind.a libgcc_eh.a: ++libgcc.a libgcov.a libunwind.a libgcc_eh.a libgcc_pic.a: + -rm -f $@ + + objects="$(objects)"; \ +@@ -907,7 +908,7 @@ libgcc_s$(SHLIB_EXT): libunwind$(SHLIB_E + endif + + ifeq ($(enable_shared),yes) +-all: libgcc_eh.a libgcc_s$(SHLIB_EXT) ++all: libgcc_eh.a libgcc_pic.a libgcc_s$(SHLIB_EXT) + ifneq ($(LIBUNWIND),) + all: libunwind$(SHLIB_EXT) + endif +@@ -1090,6 +1091,10 @@ install-shared: + chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_eh.a + $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_eh.a + ++ $(INSTALL_DATA) libgcc_pic.a $(mapfile) $(DESTDIR)$(inst_libdir)/ ++ chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_pic.a ++ $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_pic.a ++ + $(subst @multilib_dir@,$(MULTIDIR),$(subst \ + @shlib_base_name@,libgcc_s,$(subst \ + @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIB_INSTALL)))) diff --git a/toolchain/gcc/patches/4.9-linaro/830-arm_unbreak_armv4t.patch b/toolchain/gcc/patches/4.9-linaro/830-arm_unbreak_armv4t.patch new file mode 100644 index 0000000000..37f8f2a54d --- /dev/null +++ b/toolchain/gcc/patches/4.9-linaro/830-arm_unbreak_armv4t.patch @@ -0,0 +1,13 @@ +http://sourceware.org/ml/crossgcc/2008-05/msg00009.html + +--- a/gcc/config/arm/linux-eabi.h ++++ b/gcc/config/arm/linux-eabi.h +@@ -45,7 +45,7 @@ + The ARM10TDMI core is the default for armv5t, so set + SUBTARGET_CPU_DEFAULT to achieve this. */ + #undef SUBTARGET_CPU_DEFAULT +-#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi ++#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm9tdmi + + /* TARGET_BIG_ENDIAN_DEFAULT is set in + config.gcc for big endian configurations. */ diff --git a/toolchain/gcc/patches/4.9-linaro/840-armv4_pass_fix-v4bx_to_ld.patch b/toolchain/gcc/patches/4.9-linaro/840-armv4_pass_fix-v4bx_to_ld.patch new file mode 100644 index 0000000000..cb5b09dcba --- /dev/null +++ b/toolchain/gcc/patches/4.9-linaro/840-armv4_pass_fix-v4bx_to_ld.patch @@ -0,0 +1,19 @@ +--- a/gcc/config/arm/linux-eabi.h ++++ b/gcc/config/arm/linux-eabi.h +@@ -81,10 +81,15 @@ + #undef MUSL_DYNAMIC_LINKER + #define MUSL_DYNAMIC_LINKER "/lib/ld-musl-arm.so.1" + ++/* For armv4 we pass --fix-v4bx to linker to support EABI */ ++#undef TARGET_FIX_V4BX_SPEC ++#define TARGET_FIX_V4BX_SPEC " %{mcpu=arm8|mcpu=arm810|mcpu=strongarm*"\ ++ "|march=armv4|mcpu=fa526|mcpu=fa626:--fix-v4bx}" ++ + /* At this point, bpabi.h will have clobbered LINK_SPEC. We want to + use the GNU/Linux version, not the generic BPABI version. */ + #undef LINK_SPEC +-#define LINK_SPEC EABI_LINK_SPEC \ ++#define LINK_SPEC EABI_LINK_SPEC TARGET_FIX_V4BX_SPEC \ + LINUX_OR_ANDROID_LD (LINUX_TARGET_LINK_SPEC, \ + LINUX_TARGET_LINK_SPEC " " ANDROID_LINK_SPEC) + diff --git a/toolchain/gcc/patches/4.9-linaro/850-use_shared_libgcc.patch b/toolchain/gcc/patches/4.9-linaro/850-use_shared_libgcc.patch new file mode 100644 index 0000000000..50ab693d37 --- /dev/null +++ b/toolchain/gcc/patches/4.9-linaro/850-use_shared_libgcc.patch @@ -0,0 +1,47 @@ +--- a/gcc/config/arm/linux-eabi.h ++++ b/gcc/config/arm/linux-eabi.h +@@ -118,10 +118,6 @@ + #define ENDFILE_SPEC \ + LINUX_OR_ANDROID_LD (GNU_USER_TARGET_ENDFILE_SPEC, ANDROID_ENDFILE_SPEC) + +-/* Use the default LIBGCC_SPEC, not the version in linux-elf.h, as we +- do not use -lfloat. */ +-#undef LIBGCC_SPEC +- + /* Clear the instruction cache from `beg' to `end'. This is + implemented in lib1funcs.S, so ensure an error if this definition + is used. */ +--- a/gcc/config/linux.h ++++ b/gcc/config/linux.h +@@ -51,6 +51,10 @@ see the files COPYING3 and COPYING.RUNTI + builtin_assert ("system=posix"); \ + } while (0) + ++#ifndef LIBGCC_SPEC ++#define LIBGCC_SPEC "%{static|static-libgcc:-lgcc}%{!static:%{!static-libgcc:-lgcc_s}}" ++#endif ++ + /* Determine which dynamic linker to use depending on whether GLIBC or + uClibc or Bionic is the default C library and whether + -muclibc or -mglibc or -mbionic has been passed to change the default. */ +--- a/libgcc/mkmap-symver.awk ++++ b/libgcc/mkmap-symver.awk +@@ -132,5 +132,5 @@ function output(lib) { + else if (inherit[lib]) + printf("} %s;\n", inherit[lib]); + else +- printf ("\n local:\n\t*;\n};\n"); ++ printf ("\n\t*;\n};\n"); + } +--- a/gcc/config/rs6000/linux.h ++++ b/gcc/config/rs6000/linux.h +@@ -62,6 +62,9 @@ + #undef CPLUSPLUS_CPP_SPEC + #define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)" + ++#undef LIBGCC_SPEC ++#define LIBGCC_SPEC "%{!static:%{!static-libgcc:-lgcc_s}} -lgcc" ++ + #undef LINK_SHLIB_SPEC + #define LINK_SHLIB_SPEC "%{shared:-shared} %{!shared: %{static:-static}}" + diff --git a/toolchain/gcc/patches/4.9-linaro/860-uclibc_use_eh_frame.patch b/toolchain/gcc/patches/4.9-linaro/860-uclibc_use_eh_frame.patch new file mode 100644 index 0000000000..637803ec3b --- /dev/null +++ b/toolchain/gcc/patches/4.9-linaro/860-uclibc_use_eh_frame.patch @@ -0,0 +1,31 @@ +--- a/libgcc/crtstuff.c ++++ b/libgcc/crtstuff.c +@@ -100,15 +100,22 @@ call_ ## FUNC (void) \ + #if defined(OBJECT_FORMAT_ELF) \ + && !defined(OBJECT_FORMAT_FLAT) \ + && defined(HAVE_LD_EH_FRAME_HDR) \ +- && !defined(inhibit_libc) && !defined(CRTSTUFFT_O) \ +- && defined(__GLIBC__) && __GLIBC__ >= 2 ++ && !defined(inhibit_libc) && !defined(CRTSTUFFT_O) + #include <link.h> + /* uClibc pretends to be glibc 2.2 and DT_CONFIG is defined in its link.h. + But it doesn't use PT_GNU_EH_FRAME ELF segment currently. */ +-# if !defined(__UCLIBC__) \ +- && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) \ +- || (__GLIBC__ == 2 && __GLIBC_MINOR__ == 2 && defined(DT_CONFIG))) +-# define USE_PT_GNU_EH_FRAME ++# if defined(__UCLIBC__) ++# if (__UCLIBC_MAJOR__ > 0 || __UCLIBC_MINOR__ > 9 || \ ++ (__UCLIBC_MINOR__ == 9 && __UCLIBC_SUBLEVEL__ >= 33)) ++# define USE_PT_GNU_EH_FRAME ++# endif ++# elif defined(__GLIBC__) ++# if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) \ ++ || (__GLIBC__ == 2 && __GLIBC_MINOR__ == 2 && defined(DT_CONFIG))) ++# define USE_PT_GNU_EH_FRAME ++# endif ++# else ++# define USE_PT_GNU_EH_FRAME + # endif + #endif + diff --git a/toolchain/gcc/patches/4.9-linaro/870-ppc_no_crtsavres.patch b/toolchain/gcc/patches/4.9-linaro/870-ppc_no_crtsavres.patch new file mode 100644 index 0000000000..93bb3e826f --- /dev/null +++ b/toolchain/gcc/patches/4.9-linaro/870-ppc_no_crtsavres.patch @@ -0,0 +1,11 @@ +--- a/gcc/config/rs6000/rs6000.c ++++ b/gcc/config/rs6000/rs6000.c +@@ -20853,7 +20853,7 @@ rs6000_savres_strategy (rs6000_stack_t * + /* Define cutoff for using out-of-line functions to save registers. */ + if (DEFAULT_ABI == ABI_V4 || TARGET_ELF) + { +- if (!optimize_size) ++ if (1) + { + strategy |= SAVE_INLINE_FPRS | REST_INLINE_FPRS; + strategy |= SAVE_INLINE_GPRS | REST_INLINE_GPRS; diff --git a/toolchain/gcc/patches/4.9-linaro/880-no_java_section.patch b/toolchain/gcc/patches/4.9-linaro/880-no_java_section.patch new file mode 100644 index 0000000000..def6c9f4a0 --- /dev/null +++ b/toolchain/gcc/patches/4.9-linaro/880-no_java_section.patch @@ -0,0 +1,11 @@ +--- a/gcc/defaults.h ++++ b/gcc/defaults.h +@@ -380,7 +380,7 @@ see the files COPYING3 and COPYING.RUNTI + /* If we have named section and we support weak symbols, then use the + .jcr section for recording java classes which need to be registered + at program start-up time. */ +-#if defined (TARGET_ASM_NAMED_SECTION) && SUPPORTS_WEAK ++#if 0 && defined (TARGET_ASM_NAMED_SECTION) && SUPPORTS_WEAK + #ifndef JCR_SECTION_NAME + #define JCR_SECTION_NAME ".jcr" + #endif diff --git a/toolchain/gcc/patches/4.9-linaro/900-bad-mips16-crt.patch b/toolchain/gcc/patches/4.9-linaro/900-bad-mips16-crt.patch new file mode 100644 index 0000000000..dd6e9dc889 --- /dev/null +++ b/toolchain/gcc/patches/4.9-linaro/900-bad-mips16-crt.patch @@ -0,0 +1,9 @@ +--- a/libgcc/config/mips/t-mips16 ++++ b/libgcc/config/mips/t-mips16 +@@ -43,3 +43,6 @@ SYNC_CFLAGS = -mno-mips16 + + # Version these symbols if building libgcc.so. + SHLIB_MAPFILES += $(srcdir)/config/mips/libgcc-mips16.ver ++ ++CRTSTUFF_T_CFLAGS += -mno-mips16 ++CRTSTUFF_T_CFLAGS_S += -mno-mips16 diff --git a/toolchain/gcc/patches/4.9-linaro/910-mbsd_multi.patch b/toolchain/gcc/patches/4.9-linaro/910-mbsd_multi.patch new file mode 100644 index 0000000000..b150a430fc --- /dev/null +++ b/toolchain/gcc/patches/4.9-linaro/910-mbsd_multi.patch @@ -0,0 +1,232 @@ + + This patch brings over a few features from MirBSD: + * -fhonour-copts + If this option is not given, it's warned (depending + on environment variables). This is to catch errors + of misbuilt packages which override CFLAGS themselves. + * -Werror-maybe-reset + Has the effect of -Wno-error if GCC_NO_WERROR is + set and not '0', a no-operation otherwise. This is + to be able to use -Werror in "make" but prevent + GNU autoconf generated configure scripts from + freaking out. + + This patch was authored by Thorsten Glaser <tg at mirbsd.de> + with copyright assignment to the FSF in effect. + +--- a/gcc/c-family/c-opts.c ++++ b/gcc/c-family/c-opts.c +@@ -105,6 +105,9 @@ static size_t include_cursor; + /* Whether any standard preincluded header has been preincluded. */ + static bool done_preinclude; + ++/* Check if a port honours COPTS. */ ++static int honour_copts = 0; ++ + static void handle_OPT_d (const char *); + static void set_std_cxx98 (int); + static void set_std_cxx11 (int); +@@ -384,6 +387,9 @@ c_common_handle_option (size_t scode, co + cpp_opts->warn_endif_labels = value; + break; + ++ case OPT_Werror_maybe_reset: ++ break; ++ + case OPT_Winvalid_pch: + cpp_opts->warn_invalid_pch = value; + break; +@@ -492,6 +498,12 @@ c_common_handle_option (size_t scode, co + flag_no_builtin = !value; + break; + ++ case OPT_fhonour_copts: ++ if (c_language == clk_c) { ++ honour_copts++; ++ } ++ break; ++ + case OPT_fconstant_string_class_: + constant_string_class_name = arg; + break; +@@ -1048,6 +1060,47 @@ c_common_init (void) + return false; + } + ++ if (c_language == clk_c) { ++ char *ev = getenv ("GCC_HONOUR_COPTS"); ++ int evv; ++ if (ev == NULL) ++ evv = -1; ++ else if ((*ev == '0') || (*ev == '\0')) ++ evv = 0; ++ else if (*ev == '1') ++ evv = 1; ++ else if (*ev == '2') ++ evv = 2; ++ else if (*ev == 's') ++ evv = -1; ++ else { ++ warning (0, "unknown GCC_HONOUR_COPTS value, assuming 1"); ++ evv = 1; /* maybe depend this on something like MIRBSD_NATIVE? */ ++ } ++ if (evv == 1) { ++ if (honour_copts == 0) { ++ error ("someone does not honour COPTS at all in lenient mode"); ++ return false; ++ } else if (honour_copts != 1) { ++ warning (0, "someone does not honour COPTS correctly, passed %d times", ++ honour_copts); ++ } ++ } else if (evv == 2) { ++ if (honour_copts == 0) { ++ error ("someone does not honour COPTS at all in strict mode"); ++ return false; ++ } else if (honour_copts != 1) { ++ error ("someone does not honour COPTS correctly, passed %d times", ++ honour_copts); ++ return false; ++ } ++ } else if (evv == 0) { ++ if (honour_copts != 1) ++ inform (0, "someone does not honour COPTS correctly, passed %d times", ++ honour_copts); ++ } ++ } ++ + return true; + } + +--- a/gcc/c-family/c.opt ++++ b/gcc/c-family/c.opt +@@ -391,6 +391,10 @@ Wfloat-conversion + C ObjC C++ ObjC++ Var(warn_float_conversion) LangEnabledBy(C ObjC C++ ObjC++,Wconversion) + Warn for implicit type conversions that cause loss of floating point precision + ++Werror-maybe-reset ++C ObjC C++ ObjC++ ++; Documented in common.opt ++ + Wfloat-equal + C ObjC C++ ObjC++ Var(warn_float_equal) Warning + Warn if testing floating point numbers for equality +@@ -972,6 +976,9 @@ C++ ObjC++ Optimization Alias(fexception + fhonor-std + C++ ObjC++ Ignore Warn(switch %qs is no longer supported) + ++fhonour-copts ++C ObjC C++ ObjC++ RejectNegative ++ + fhosted + C ObjC + Assume normal C execution environment +--- a/gcc/common.opt ++++ b/gcc/common.opt +@@ -549,6 +549,10 @@ Werror= + Common Joined + Treat specified warning as error + ++Werror-maybe-reset ++Common ++If environment variable GCC_NO_WERROR is set, act as -Wno-error ++ + Wextra + Common Var(extra_warnings) Warning + Print extra (possibly unwanted) warnings +@@ -1287,6 +1291,9 @@ fguess-branch-probability + Common Report Var(flag_guess_branch_prob) Optimization + Enable guessing of branch probabilities + ++fhonour-copts ++Common RejectNegative ++ + ; Nonzero means ignore `#ident' directives. 0 means handle them. + ; Generate position-independent code for executables if possible + ; On SVR4 targets, it also controls whether or not to emit a +--- a/gcc/opts.c ++++ b/gcc/opts.c +@@ -1536,6 +1536,17 @@ common_handle_option (struct gcc_options + opts, opts_set, loc, dc); + break; + ++ case OPT_Werror_maybe_reset: ++ { ++ char *ev = getenv ("GCC_NO_WERROR"); ++ if ((ev != NULL) && (*ev != '0')) ++ warnings_are_errors = 0; ++ } ++ break; ++ ++ case OPT_fhonour_copts: ++ break; ++ + case OPT_Wlarger_than_: + opts->x_larger_than_size = value; + opts->x_warn_larger_than = value != -1; +--- a/gcc/doc/cppopts.texi ++++ b/gcc/doc/cppopts.texi +@@ -163,6 +163,11 @@ in older programs. This warning is on b + Make all warnings into hard errors. Source code which triggers warnings + will be rejected. + ++ at item -Werror-maybe-reset ++ at opindex Werror-maybe-reset ++Act like @samp{-Wno-error} if the @env{GCC_NO_WERROR} environment ++variable is set to anything other than 0 or empty. ++ + @item -Wsystem-headers + @opindex Wsystem-headers + Issue warnings for code in system headers. These are normally unhelpful +--- a/gcc/doc/invoke.texi ++++ b/gcc/doc/invoke.texi +@@ -243,7 +243,7 @@ Objective-C and Objective-C++ Dialects}. + -Wconversion -Wcoverage-mismatch -Wdate-time -Wdelete-incomplete -Wno-cpp @gol + -Wno-deprecated -Wno-deprecated-declarations -Wdisabled-optimization @gol + -Wno-div-by-zero -Wdouble-promotion -Wempty-body -Wenum-compare @gol +--Wno-endif-labels -Werror -Werror=* @gol ++-Wno-endif-labels -Werror -Werror=* -Werror-maybe-reset @gol + -Wfatal-errors -Wfloat-equal -Wformat -Wformat=2 @gol + -Wno-format-contains-nul -Wno-format-extra-args -Wformat-nonliteral @gol + -Wformat-security -Wformat-y2k @gol +@@ -5041,6 +5041,22 @@ This option is only supported for C and + @option{-Wall} and by @option{-Wpedantic}, which can be disabled with + @option{-Wno-pointer-sign}. + ++ at item -Werror-maybe-reset ++ at opindex Werror-maybe-reset ++Act like @samp{-Wno-error} if the @env{GCC_NO_WERROR} environment ++variable is set to anything other than 0 or empty. ++ ++ at item -fhonour-copts ++ at opindex fhonour-copts ++If @env{GCC_HONOUR_COPTS} is set to 1, abort if this option is not ++given at least once, and warn if it is given more than once. ++If @env{GCC_HONOUR_COPTS} is set to 2, abort if this option is not ++given exactly once. ++If @env{GCC_HONOUR_COPTS} is set to 0 or unset, warn if this option ++is not given exactly once. ++The warning is quelled if @env{GCC_HONOUR_COPTS} is set to @samp{s}. ++This flag and environment variable only affect the C language. ++ + @item -Wstack-protector + @opindex Wstack-protector + @opindex Wno-stack-protector +@@ -7188,7 +7204,7 @@ so, the first branch is redirected to ei + second branch or a point immediately following it, depending on whether + the condition is known to be true or false. + +-Enabled at levels @option{-O2}, @option{-O3}, @option{-Os}. ++Enabled at levels @option{-O3}. + + @item -fsplit-wide-types + @opindex fsplit-wide-types +--- a/gcc/java/jvspec.c ++++ b/gcc/java/jvspec.c +@@ -626,6 +626,7 @@ lang_specific_pre_link (void) + class name. Append dummy `.c' that can be stripped by set_input so %b + is correct. */ + set_input (concat (main_class_name, "main.c", NULL)); ++ putenv ("GCC_HONOUR_COPTS=s"); /* XXX hack! */ + err = do_spec (jvgenmain_spec); + if (err == 0) + { diff --git a/toolchain/gcc/patches/4.9-linaro/920-specs_nonfatal_getenv.patch b/toolchain/gcc/patches/4.9-linaro/920-specs_nonfatal_getenv.patch new file mode 100644 index 0000000000..1c0b34e630 --- /dev/null +++ b/toolchain/gcc/patches/4.9-linaro/920-specs_nonfatal_getenv.patch @@ -0,0 +1,14 @@ +--- a/gcc/gcc.c ++++ b/gcc/gcc.c +@@ -8106,7 +8106,10 @@ getenv_spec_function (int argc, const ch + + value = getenv (argv[0]); + if (!value) +- fatal_error ("environment variable %qs not defined", argv[0]); ++ { ++ warning (0, "environment variable %qs not defined", argv[0]); ++ value = ""; ++ } + + /* We have to escape every character of the environment variable so + they are not interpreted as active spec characters. A |