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From: Pierre-Marie de Rodat <pmderodat@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org
Subject: [gcc r13-606] [Ada] arm-qnx-7.1: undefined reference to fma* symbols
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X-Git-Author: Doug Rupp <rupp@adacore.com>
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https://gcc.gnu.org/g:db67182120993abaff6bbaa1a64f1ba931a8380b

commit r13-606-gdb67182120993abaff6bbaa1a64f1ba931a8380b
Author: Doug Rupp <rupp@adacore.com>
Date:   Thu Apr 7 11:08:56 2022 -0700

    [Ada] arm-qnx-7.1: undefined reference to fma* symbols
    
    Configure the arm-qnx runtime packages to avoid generating these
    symbols.
    
    gcc/ada/
    
            * Makefile.rtl (arm-qnx): Use default (non-fma) target pair.

Diff:
---
 gcc/ada/Makefile.rtl | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/gcc/ada/Makefile.rtl b/gcc/ada/Makefile.rtl
index 7acb159f7ec..7b84ee5bd37 100644
--- a/gcc/ada/Makefile.rtl
+++ b/gcc/ada/Makefile.rtl
@@ -1510,7 +1510,6 @@ ifeq ($(strip $(filter-out arm aarch64 %qnx,$(target_cpu) $(target_os))),)
   LIBGNAT_TARGET_PAIRS = \
   a-intnam.ads<libgnarl/a-intnam__qnx.ads \
   a-nallfl.ads<libgnat/a-nallfl__wraplf.ads \
-  s-dorepr.adb<libgnat/s-dorepr__fma.adb \
   s-inmaop.adb<libgnarl/s-inmaop__posix.adb \
   s-intman.adb<libgnarl/s-intman__qnx.adb \
   s-osinte.adb<libgnarl/s-osinte__qnx.adb \
@@ -1534,6 +1533,10 @@ ifeq ($(strip $(filter-out arm aarch64 %qnx,$(target_cpu) $(target_os))),)
   else
      EH_MECHANISM=-gcc
      SIGTRAMP_OBJ=sigtramp-qnx.o
+     # "fma*" instructions not available for ARM fpu=vfpv3
+     # but not an issue on AARCH64.
+     LIBGNAT_TARGET_PAIRS += \
+       s-dorepr.adb<libgnat/s-dorepr__fma.adb
      LIBGNAT_TARGET_PAIRS += $(GNATRTL_128BIT_PAIRS)
      EXTRA_GNATRTL_NONTASKING_OBJS = $(GNATRTL_128BIT_OBJS)
      # Temporarily restrict shared library build to aarch64 (V303-025)