On 08/11/2017 04:20, Philippe Mathieu-Daudé wrote: > Using obscure black magic introduced in eaa2ddbb767 :) > > In an out-of-tree directory, running "../configure && make help" will generate > some required files (.mak), then clone some submodules, compile at least > the capstone submodule, generate QMP and Trace files, and finally display > the help. > > On an outdated computer (Sun Blade workstation), running "make help" took > more than 5h :) With this patch it took roughly 37min. > > Suggested-by: Daniel P. Berrange <berra...@redhat.com> > Signed-off-by: Philippe Mathieu-Daudé <f4...@amsat.org> > --- > > before: > > $ make help > GEN config-host.h > CC cs.o > CC utils.o > CC SStream.o > CC MCInstrDesc.o > CC MCRegisterInfo.o > CC arch/ARM/ARMDisassembler.o > CC arch/ARM/ARMInstPrinter.o > CC arch/ARM/ARMMapping.o > CC arch/ARM/ARMModule.o > CC arch/AArch64/AArch64BaseInfo.o > CC arch/AArch64/AArch64Disassembler.o > CC arch/AArch64/AArch64InstPrinter.o > CC arch/AArch64/AArch64Mapping.o > CC arch/AArch64/AArch64Module.o > CC arch/Mips/MipsDisassembler.o > CC arch/Mips/MipsInstPrinter.o > CC arch/Mips/MipsMapping.o > CC arch/Mips/MipsModule.o > CC arch/PowerPC/PPCDisassembler.o > CC arch/PowerPC/PPCInstPrinter.o > CC arch/PowerPC/PPCMapping.o > CC arch/PowerPC/PPCModule.o > CC arch/Sparc/SparcDisassembler.o > CC arch/Sparc/SparcInstPrinter.o > CC arch/Sparc/SparcMapping.o > CC arch/Sparc/SparcModule.o > CC arch/SystemZ/SystemZDisassembler.o > CC arch/SystemZ/SystemZInstPrinter.o > CC arch/SystemZ/SystemZMapping.o > CC arch/SystemZ/SystemZModule.o > CC arch/SystemZ/SystemZMCTargetDesc.o > CC arch/X86/X86DisassemblerDecoder.o > CC arch/X86/X86Disassembler.o > CC arch/X86/X86IntelInstPrinter.o > CC arch/X86/X86ATTInstPrinter.o > CC arch/X86/X86Mapping.o > CC arch/X86/X86Module.o > CC arch/XCore/XCoreDisassembler.o > CC arch/XCore/XCoreInstPrinter.o > CC arch/XCore/XCoreMapping.o > CC arch/XCore/XCoreModule.o > CC MCInst.o > AR libcapstone.a > ar: creating capstone/libcapstone.a > GEN trace/generated-tcg-tracers.h > GEN trace/generated-helpers-wrappers.h > GEN trace/generated-helpers.h > GEN trace/generated-helpers.c > GEN module_block.h > make[1]: 'capstone/libcapstone.a' is up to date. > Generic targets: > all - Build all > dir/file.o - Build specified target only > install - Install QEMU, documentation and tools > ctags/TAGS - Generate tags file for editors > cscope - Generate cscope index > [...] > > after: > > $ make help > Generic targets: > all - Build all > dir/file.o - Build specified target only > install - Install QEMU, documentation and tools > ctags/TAGS - Generate tags file for editors > cscope - Generate cscope index > [...] > > Makefile | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/Makefile b/Makefile > index 0496c5057a..7850ca5928 100644 > --- a/Makefile > +++ b/Makefile > @@ -6,7 +6,7 @@ BUILD_DIR=$(CURDIR) > # Before including a proper config-host.mak, assume we are in the source tree > SRC_PATH=. > > -UNCHECKED_GOALS := %clean TAGS cscope ctags docker docker-% > +UNCHECKED_GOALS := %clean TAGS cscope ctags docker docker-% help > > # All following code might depend on configuration variables > ifneq ($(wildcard config-host.mak),) >
Reviewed-by: Laurent Vivier <lviv...@redhat.com>