* [Ada] arm-qnx-7.1: undefined reference to fma* symbols
@ 2022-05-18 8:43 Pierre-Marie de Rodat
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From: Pierre-Marie de Rodat @ 2022-05-18 8:43 UTC (permalink / raw)
To: gcc-patches; +Cc: Doug Rupp
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Configure the arm-qnx runtime packages to avoid generating these
symbols.
Tested on x86_64-pc-linux-gnu, committed on trunk
gcc/ada/
* Makefile.rtl (arm-qnx): Use default (non-fma) target pair.
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diff --git a/gcc/ada/Makefile.rtl b/gcc/ada/Makefile.rtl
--- 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)
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2022-05-18 8:43 [Ada] arm-qnx-7.1: undefined reference to fma* symbols Pierre-Marie de Rodat
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