util/crossgcc/patches/gcc-14.2.0_gnat.patch

   1 From b1b16478729aea709e7ef81224995b6d26b38a87 Mon Sep 17 00:00:00 2001
   2 From: Nico Huber <nico.h@gmx.de>
   3 Date: Sun, 16 Jul 2023 00:30:03 +0200
   4 Subject: [PATCH] GNAT: Build cross compilers with host runtime
   5
   6 When building with an older host toolchain, the shipped libgnat
   7 sources may not be compatible. So rely on the host runtime just
   8 like we do for a stage1 build.
   9
  10 Signed-off-by: Nico Huber <nico.h@gmx.de>
  11 ---
  12  gcc/ada/gcc-interface/Make-lang.in | 16 +++++++++++++---
  13  gcc/ada/init.c                     |  4 ++++
  14  2 files changed, 17 insertions(+), 3 deletions(-)
  15
  16 diff --git a/gcc/ada/gcc-interface/Make-lang.in b/gcc/ada/gcc-interface/Make-lang.in
  17 index 9507f2f09203..cf7ec4cc1662 100644
  18 --- a/gcc/ada/gcc-interface/Make-lang.in
  19 +++ b/gcc/ada/gcc-interface/Make-lang.in
  20 @@ -57,18 +57,21 @@ WARN_ADAFLAGS= -W -Wall
  21  # checks fully active.
  22
  23  STAGE1=False
  24 +HOST_RT=False
  25  GNATBIND_FLAGS=
  26  GNATLIB=
  27
  28 +ADAFLAGS=$(COMMON_ADAFLAGS) -gnatwns
  29  ifeq ($(CROSS),)
  30 -  ADAFLAGS=$(COMMON_ADAFLAGS) -gnatwns
  31
  32    ifeq ($(if $(wildcard ../stage_current),$(shell cat ../stage_current),stage1),stage1)
  33      STAGE1=True
  34      GNATBIND_FLAGS=-t
  35 +    HOST_RT=True
  36    endif
  37  else
  38 -  ADAFLAGS=$(COMMON_ADAFLAGS)
  39 +  GNATBIND_FLAGS=-t
  40 +  HOST_RT=True
  41  endif
  42
  43  ALL_ADAFLAGS = \
  44 @@ -87,7 +89,7 @@ ifeq ($(strip $(filter-out hpux%,$(host_os))),)
  45    STAGE1_LIBS=/usr/lib/libcl.a
  46  endif
  47
  48 -ifeq ($(STAGE1),True)
  49 +ifeq ($(HOST_RT),True)
  50    ADA_INCLUDES=$(COMMON_ADA_INCLUDES)
  51    adalib=$(dir $(shell $(CC) -print-libgcc-file-name))adalib
  52    GNATLIB=$(adalib)/$(if $(wildcard $(adalib)/libgnat.a),libgnat.a,libgnat.so) $(STAGE1_LIBS)
  53 @@ -485,6 +487,7 @@ GNAT1_C_OBJS+=    \
  54   ada/rtinit.o     \
  55   ada/seh_init.o
  56
  57 +ifeq ($(HOST_RT),False)
  58  GNAT_ADA_OBJS+= \
  59   ada/gcc-interface/system.o \
  60   ada/libgnat/a-assert.o        \
  61 @@ -555,6 +558,7 @@ GNAT_ADA_OBJS+= \
  62   ada/libgnat/s-wchstw.o        \
  63   ada/libgnat/s-widuns.o
  64  endif
  65 +endif
  66
  67  # Object files for gnat executables
  68  GNAT1_ADA_OBJS = $(GNAT_ADA_OBJS) ada/back_end.o ada/gnat1drv.o
  69 @@ -656,6 +660,9 @@ GNATBIND_OBJS +=  \
  70   ada/rtfinal.o    \
  71   ada/rtinit.o     \
  72   ada/seh_init.o   \
  73 +
  74 +ifeq ($(HOST_RT),False)
  75 +GNATBIND_OBJS +=  \
  76   ada/gcc-interface/system.o \
  77   ada/libgnat/a-assert.o   \
  78   ada/libgnat/a-elchha.o   \
  79 @@ -707,6 +714,9 @@ GNATBIND_OBJS +=  \
  80   ada/libgnat/s-wchjis.o   \
  81   ada/libgnat/s-wchstw.o   \
  82   ada/libgnat/s-widuns.o   \
  83 +
  84 +endif
  85 +GNATBIND_OBJS +=  \
  86   ada/adaint.o     \
  87   ada/argv.o       \
  88   ada/cio.o        \
  89 diff --git a/gcc/ada/init.c b/gcc/ada/init.c
  90 index 5212a38490d3..5ae2efd32ef3 100644
  91 --- a/gcc/ada/init.c
  92 +++ b/gcc/ada/init.c
  93 @@ -93,8 +93,12 @@ extern struct Exception_Data storage_error;
  94  #ifdef CERT
  95  #define Raise_From_Signal_Handler __gnat_raise_exception
  96  #else
  97 +#if __GNUC__ < 12
  98 +#define Raise_From_Signal_Handler ada__exceptions__raise_from_signal_handler
  99 +#else
 100  #define Raise_From_Signal_Handler __gnat_raise_from_signal_handler
 101  #endif
 102 +#endif
 103
 104  extern void Raise_From_Signal_Handler (struct Exception_Data *, const void *)
 105    ATTRIBUTE_NORETURN;
 106 --
 107 2.39.0
 108