From Anatol Pomozov Taken from Arch Linux arm-none-eabi-gcc package. Modified version of ARM patch https://gcc.gnu.org/ml/gcc-patches/2012-05/msg00083/enable-with-multilib-list-for-arm.patch This patch enables the use of the "--with-multilib-list" flag, when configuring GCC 6.2. It makes GCC 6 compatible with the configure flags used in the "gcc-arm-none-eabi-4.9" package. diff --git a/gcc/Makefile.in b/gcc/Makefile.in index 4ab7405..6e1ea2c 100644 --- a/gcc/Makefile.in +++ b/gcc/Makefile.in @@ -535,6 +535,7 @@ lang_opt_files=@lang_opt_files@ $(srcdir)/c-family/c.opt $(srcdir)/common.opt lang_specs_files=@lang_specs_files@ lang_tree_files=@lang_tree_files@ target_cpu_default=@target_cpu_default@ +with_multilib_list=@with_multilib_list@ OBJC_BOEHM_GC=@objc_boehm_gc@ extra_modes_file=@extra_modes_file@ extra_opt_files=@extra_opt_files@ diff --git a/gcc/config.gcc b/gcc/config.gcc index cb08a5c..7bded02 100644 --- a/gcc/config.gcc +++ b/gcc/config.gcc @@ -1072,7 +1072,7 @@ arm*-*-eabi* | arm*-*-symbianelf* | arm*-*-rtems*) case ${ta
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?vfpv3-d16=mfpu?neon-vfpv4 + +MULTILIB_EXCEPTIONS = +MULTILIB_REUSE = + +MULTILIB_REQUIRED = mthumb +MULTILIB_REQUIRED += marm +MULTILIB_REQUIRED += mfloat-abi=hard + +MULTILIB_OSDIRNAMES = mthumb=!thumb +MULTILIB_OSDIRNAMES += marm=!arm +MULTILIB_OSDIRNAMES += mfloat-abi.hard=!fpu + +ifneq (,$(findstring armv6-m,$(subst $(comma),$(space),$(with_multilib_list)))) +MULTILIB_REQUIRED += mthumb/march=armv6s-m +MULTILIB_OSDIRNAMES += mthumb/march.armv6s-m=!armv6-m +endif + +ifneq (,$(findstring armv7-m,$(subst $(comma),$(space),$(with_multilib_list)))) +MULTILIB_REQUIRED += mthumb/march=armv7-m +MULTILIB_OSDIRNAMES += mthumb/march.armv7-m=!armv7-m +endif + +ifneq (,$(findstring armv7e-m,$(subst $(comma),$(space),$(with_multilib_list)))) +MULTILIB_REQUIRED += mthumb/march=armv7e-m +MULTILIB_REQUIRED += mthumb/march=armv7e-m/mfloat-abi=softfp/mfpu=fpv4-sp-d16 +MULTILIB_REQUIRED += mthumb/march=armv7e-m/mfloat-abi=hard/mfpu=fpv4-sp-d16 +MULTILIB_OSDIRNAMES += mthumb/march.armv7e-m=!armv7e-m +MULTILIB_OSDIRNAMES += mthumb/march.armv7e-m/mfloat-abi.hard/mfpu.fpv4-sp-d16=!armv7e-m/fpu +MULTILIB_OSDIRNAMES += mthumb/march.armv7e-m/mfloat-abi.softfp/mfpu.fpv4-sp-d16=!armv7e-m/softfp +endif + +ifneq (,$(filter armv7 armv7-r armv7-a,$(subst $(comma),$(space),$(with_multilib_list)))) +MULTILIB_REQUIRED += mthumb/march=armv7 +MULTILIB_REQUIRED += mthumb/march=armv7/mfloat-abi=softfp/mfpu=vfpv3-d16 +MULTILIB_REQUIRED += mthumb/march=armv7/mfloat-abi=hard/mfpu=vfpv3-d16 +MULTILIB_OSDIRNAMES += mthumb/march.armv7=!armv7-ar/thumb +MULTILIB_OSDIRNAMES += mthumb/march.armv7/mfloat-abi.hard/mfpu.vfpv3-d16=!armv7-ar/thumb/fpu +MULTILIB_OSDIRNAMES += mthumb/march.armv7/mfloat-abi.softfp/mfpu.vfpv3-d16=!armv7-ar/thumb/softfp +MULTILIB_REUSE += mthumb/march.armv7=marm/march.armv7 +MULTILIB_REUSE += mthumb/march.armv7/mfloat-abi.softfp/mfpu.vfpv3-d16=marm/march.armv7/mfloat-abi.softfp/mfpu.vfpv3-d16 +MULTILIB_REUSE += mthumb/march.armv7/mfloat-abi.hard/mfpu.vfpv3-d16=marm/march.armv7/mfloat-abi.hard/mfpu.vfpv3-d16 +endif diff --git a/gcc/configure b/gcc/configure index 9523773..24952e3 100755 --- a/gcc/configure +++ b/gcc/configure @@ -763,6 +763,7 @@ SET_MAKE accel_dir_suffix real_target_noncanonical enable_as_accelerator +with_multilib_list REPORT_BUGS_TEXI REPORT_BUGS_TO PKGVERSION @@ -7462,6 +7463,7 @@ else fi + # ------------------------- # Checks for other programs # ------------------------- diff --git a/gcc/configure.ac b/gcc/configure.ac index 68b0ee8..f8a1097 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -925,6 +925,7 @@ AC_ARG_WITH(multilib-list, [AS_HELP_STRING([--with-multilib-list], [select multilibs (AArch64, SH and x86-64 only)])], :, with_multilib_list=default) +AC_SUBST(with_multilib_list) # ------------------------- # Checks for other programs