https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104455
--- Comment #2 from Jeffrey Walton <noloader at gmail dot com> ---
(In reply to Richard Earnshaw from comment #1)
> What's the configuration of the compiler? Eg, the output of gcc -v
Thanks Richard. I set-up a Debian Qemu/Chroot for armhf. I can now duplicate
the problem.
# cat test.S
.globl return_magic
.type return_magic,%function
return_magic:
movw r0, #0x1234
movt r0, #0x5678
bl 0
# g++ -g2 -O3 -Wa,--noexecstack -march=armv7-a test.S -c
cc1: error: ‘-mfloat-abi=hard’: selected architecture lacks an FPU
# gcc --version -v
Using built-in specs.
COLLECT_AS_OPTIONS='--version'
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/arm-linux-gnueabihf/11/lto-wrapper
Target: arm-linux-gnueabihf
Configured with: ../src/configure -v --with-pkgversion='Debian 11.2.0-16'
--with-bugurl=file:///usr/share/doc/gcc-11/README.Bugs
--enable-languages=c,ada,c++,go,d,fortran,objc,obj-c++,m2 --prefix=/usr
--with-gcc-major-version-only --program-suffix=-11
--program-prefix=arm-linux-gnueabihf- --enable-shared --enable-linker-build-id
--libexecdir=/usr/lib --without-included-gettext --enable-threads=posix
--libdir=/usr/lib --enable-nls --enable-bootstrap --enable-clocale=gnu
--enable-libstdcxx-debug --enable-libstdcxx-time=yes
--with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-libitm
--disable-libquadmath --disable-libquadmath-support --enable-plugin
--enable-default-pie --with-system-zlib --enable-libphobos-checking=release
--with-target-system-zlib=auto --enable-objc-gc=auto --enable-multiarch
--disable-sjlj-exceptions --with-arch=armv7-a+fp --with-float=hard
--with-mode=thumb --disable-werror --enable-checking=release
--build=arm-linux-gnueabihf --host=arm-linux-gnueabihf
--target=arm-linux-gnueabihf
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 11.2.0 (Debian 11.2.0-16)
gcc (Debian 11.2.0-16) 11.2.0
Copyright (C) 2021 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
COLLECT_GCC_OPTIONS='--version' '-v' '-mfloat-abi=hard' '-mtls-dialect=gnu'
'-mthumb' '-mlibarch=armv7-a+fp' '-march=armv7-a+fp' '-dumpdir' 'a-'
/usr/lib/gcc/arm-linux-gnueabihf/11/cc1 -quiet -v -imultilib . -imultiarch
arm-linux-gnueabihf help-dummy -quiet -dumpdir a- -dumpbase help-dummy
-mfloat-abi=hard -mtls-dialect=gnu -mthumb -mlibarch=armv7-a+fp
-march=armv7-a+fp -version --version -o /tmp/ccdbsVZx.s
GNU C17 (Debian 11.2.0-16) version 11.2.0 (arm-linux-gnueabihf)
compiled by GNU C version 11.2.0, GMP version 6.2.1, MPFR version
4.1.0, MPC version 1.2.1, isl version isl-0.24-GMP
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
COLLECT_GCC_OPTIONS='--version' '-v' '-mfloat-abi=hard' '-mtls-dialect=gnu'
'-mthumb' '-mlibarch=armv7-a+fp' '-march=armv7-a+fp' '-dumpdir' 'a-'
as -v -march=armv7-a -mfloat-abi=hard -meabi=5 --version -o /tmp/ccYLSQQS.o
/tmp/ccdbsVZx.s
GNU assembler version 2.37.90 (arm-linux-gnueabihf) using BFD version (GNU
Binutils for Debian) 2.37.90.20220207
GNU assembler (GNU Binutils for Debian) 2.37.90.20220207
Copyright (C) 2022 Free Software Foundation, Inc.
This program is free software; you may redistribute it under the terms of
the GNU General Public License version 3 or later.
This program has absolutely no warranty.
This assembler was configured for a target of `arm-linux-gnueabihf'.
COMPILER_PATH=/usr/lib/gcc/arm-linux-gnueabihf/11/:/usr/lib/gcc/arm-linux-gnueabihf/11/:/usr/lib/gcc/arm-linux-gnueabihf/:/usr/lib/gcc/arm-linux-gnueabihf/11/:/usr/lib/gcc/arm-linux-gnueabihf/
LIBRARY_PATH=/usr/lib/gcc/arm-linux-gnueabihf/11/:/usr/lib/gcc/arm-linux-gnueabihf/11/../../../arm-linux-gnueabihf/:/usr/lib/gcc/arm-linux-gnueabihf/11/../../../:/lib/arm-linux-gnueabihf/:/lib/:/usr/lib/arm-linux-gnueabihf/:/usr/lib/
COLLECT_GCC_OPTIONS='--version' '-v' '-mfloat-abi=hard' '-mtls-dialect=gnu'
'-mthumb' '-mlibarch=armv7-a+fp' '-march=armv7-a+fp' '-dumpdir' 'a.'
/usr/lib/gcc/arm-linux-gnueabihf/11/collect2 -plugin
/usr/lib/gcc/arm-linux-gnueabihf/11/liblto_plugin.so
-plugin-opt=/usr/lib/gcc/arm-linux-gnueabihf/11/lto-wrapper
-plugin-opt=-fresolution=/tmp/cc4oCuRH.res -plugin-opt=-pass-through=-lgcc
-plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lc
-plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lgcc_s --build-id
--eh-frame-hdr -dynamic-linker /lib/ld-linux-armhf.so.3 -X --hash-style=gnu
--as-needed -m armelf_linux_eabi -pie --version
/usr/lib/gcc/arm-linux-gnueabihf/11/../../../arm-linux-gnueabihf/Scrt1.o
/usr/lib/gcc/arm-linux-gnueabihf/11/../../../arm-linux-gnueabihf/crti.o
/usr/lib/gcc/arm-linux-gnueabihf/11/crtbeginS.o
-L/usr/lib/gcc/arm-linux-gnueabihf/11
-L/usr/lib/gcc/arm-linux-gnueabihf/11/../../../arm-linux-gnueabihf
-L/usr/lib/gcc/arm-linux-gnueabihf/11/../../.. -L/lib/arm-linux-gnueabihf
-L/usr/lib/arm-linux-gnueabihf /tmp/ccYLSQQS.o -lgcc --push-state --as-needed
-lgcc_s --pop-state -lc -lgcc --push-state --as-needed -lgcc_s --pop-state
/usr/lib/gcc/arm-linux-gnueabihf/11/crtendS.o
/usr/lib/gcc/arm-linux-gnueabihf/11/../../../arm-linux-gnueabihf/crtn.o
collect2 version 11.2.0
/usr/bin/ld -plugin /usr/lib/gcc/arm-linux-gnueabihf/11/liblto_plugin.so
-plugin-opt=/usr/lib/gcc/arm-linux-gnueabihf/11/lto-wrapper
-plugin-opt=-fresolution=/tmp/cc4oCuRH.res -plugin-opt=-pass-through=-lgcc
-plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lc
-plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lgcc_s --build-id
--eh-frame-hdr -dynamic-linker /lib/ld-linux-armhf.so.3 -X --hash-style=gnu
--as-needed -m armelf_linux_eabi -pie --version
/usr/lib/gcc/arm-linux-gnueabihf/11/../../../arm-linux-gnueabihf/Scrt1.o
/usr/lib/gcc/arm-linux-gnueabihf/11/../../../arm-linux-gnueabihf/crti.o
/usr/lib/gcc/arm-linux-gnueabihf/11/crtbeginS.o
-L/usr/lib/gcc/arm-linux-gnueabihf/11
-L/usr/lib/gcc/arm-linux-gnueabihf/11/../../../arm-linux-gnueabihf
-L/usr/lib/gcc/arm-linux-gnueabihf/11/../../.. -L/lib/arm-linux-gnueabihf
-L/usr/lib/arm-linux-gnueabihf /tmp/ccYLSQQS.o -lgcc --push-state --as-needed
-lgcc_s --pop-state -lc -lgcc --push-state --as-needed -lgcc_s --pop-state
/usr/lib/gcc/arm-linux-gnueabihf/11/crtendS.o
/usr/lib/gcc/arm-linux-gnueabihf/11/../../../arm-linux-gnueabihf/crtn.o
GNU ld (GNU Binutils for Debian) 2.37.90.20220207
Copyright (C) 2022 Free Software Foundation, Inc.
This program is free software; you may redistribute it under the terms of
the GNU General Public License version 3 or (at your option) a later version.
This program has absolutely no warranty.
COLLECT_GCC_OPTIONS='--version' '-v' '-mfloat-abi=hard' '-mtls-dialect=gnu'
'-mthumb' '-mlibarch=armv7-a+fp' '-march=armv7-a+fp' '-dumpdir' 'a.'
