From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57228) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bLNqX-00018d-7R for qemu-devel@nongnu.org; Fri, 08 Jul 2016 00:57:02 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bLNqT-0001ii-1o for qemu-devel@nongnu.org; Fri, 08 Jul 2016 00:57:00 -0400 Received: from mail-qt0-x244.google.com ([2607:f8b0:400d:c0d::244]:34937) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bLNqS-0001ie-Td for qemu-devel@nongnu.org; Fri, 08 Jul 2016 00:56:56 -0400 Received: by mail-qt0-x244.google.com with SMTP id h56so1197878qte.2 for ; Thu, 07 Jul 2016 21:56:56 -0700 (PDT) Sender: Richard Henderson From: Richard Henderson Date: Thu, 7 Jul 2016 21:56:16 -0700 Message-Id: <1467953776-26102-3-git-send-email-rth@twiddle.net> In-Reply-To: <1467953776-26102-1-git-send-email-rth@twiddle.net> References: <1467953776-26102-1-git-send-email-rth@twiddle.net> Subject: [Qemu-devel] [PATCH 2/2] build: Use $(AS) for optionrom explicitly List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: alex.bennee@linaro.org, peter.maydell@linaro.org, riku.voipio@iki.fi For clang before 3.5, -fno-integrated-as does not exist, so the workaround in 5f6f0e27fb24 fails to build. Use clang's default assembler for linux-user/safe-syscall.S, and explicitly change to use the system assembler for the option roms. Signed-off-by: Richard Henderson --- configure | 10 +++------- pc-bios/optionrom/Makefile | 3 +++ rules.mak | 2 +- 3 files changed, 7 insertions(+), 8 deletions(-) diff --git a/configure b/configure index e9090a0..5ada56d 100755 --- a/configure +++ b/configure @@ -368,6 +368,7 @@ else fi ar="${AR-${cross_prefix}ar}" +as="${AS-${cross_prefix}as}" ccas="${CCAS-$cc}" cpp="${CPP-$cc -E}" objcopy="${OBJCOPY-${cross_prefix}objcopy}" @@ -4490,13 +4491,6 @@ if test "$fortify_source" != "no"; then fi fi -################################################# -# clang does not support the 16-bit assembly for roms - -if echo | $ccas -dM -E - | grep __clang__ > /dev/null 2>&1 ; then - ccas="$ccas -fno-integrated-as" -fi - ########################################## # check if struct fsxattr is available via linux/fs.h @@ -5515,6 +5509,7 @@ echo "CXX=$cxx" >> $config_host_mak echo "OBJCC=$objcc" >> $config_host_mak echo "AR=$ar" >> $config_host_mak echo "ARFLAGS=$ARFLAGS" >> $config_host_mak +echo "AS=$as" >> $config_host_mak echo "CCAS=$ccas" >> $config_host_mak echo "CPP=$cpp" >> $config_host_mak echo "OBJCOPY=$objcopy" >> $config_host_mak @@ -5988,6 +5983,7 @@ for rom in seabios vgabios ; do config_mak=roms/$rom/config.mak echo "# Automatically generated by configure - do not modify" > $config_mak echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak + echo "AS=$as" >> $config_mak echo "CCAS=$ccas" >> $config_mak echo "CC=$cc" >> $config_mak echo "BCC=bcc" >> $config_mak diff --git a/pc-bios/optionrom/Makefile b/pc-bios/optionrom/Makefile index ce4852a..2cdda87 100644 --- a/pc-bios/optionrom/Makefile +++ b/pc-bios/optionrom/Makefile @@ -20,6 +20,9 @@ build-all: multiboot.bin linuxboot.bin kvmvapic.bin # suppress auto-removal of intermediate files .SECONDARY: +%.o: %.S + $(call quiet-command,$(CPP) $(QEMU_INCLUDES) $(QEMU_DGFLAGS) $(CFLAGS) -c -o - $< | $(AS) $(ASFLAGS) -o $@," AS $(TARGET_DIR)$@") + %.img: %.o $(call quiet-command,$(LD) $(LDFLAGS_NOPIE) -Ttext 0 -e _start -s -o $@ $<," Building $(TARGET_DIR)$@") diff --git a/rules.mak b/rules.mak index 7d7d83b..ed8e482 100644 --- a/rules.mak +++ b/rules.mak @@ -69,7 +69,7 @@ LINK = $(call quiet-command, $(LINKPROG) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $(version-obj-y) $(call extract-libs,$1) $(LIBS)," LINK $(TARGET_DIR)$@") %.o: %.S - $(call quiet-command,$(CCAS) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," AS $(TARGET_DIR)$@") + $(call quiet-command,$(CCAS) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," CCAS $(TARGET_DIR)$@") %.o: %.cc $(call quiet-command,$(CXX) $(QEMU_INCLUDES) $(QEMU_CXXFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) $($@-cflags) -c -o $@ $<," CXX $(TARGET_DIR)$@") -- 2.7.4