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https://git.planet-casio.com/Lephenixnoir/OpenLibm.git
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ddf649beab
Type punning via unions in clang is not safe without -fno-strict-aliasing. See https://bugs.llvm.org//show_bug.cgi?id=31928.
150 lines
3.3 KiB
PHP
150 lines
3.3 KiB
PHP
# -*- mode: makefile-gmake -*-
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# Default build rule for any Makefile in this project: all
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default: all
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OS := $(shell uname)
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# Do not forget to bump SOMINOR when changing VERSION,
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# and SOMAJOR when breaking ABI in a backward-incompatible way
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VERSION = 0.5.4
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SOMAJOR = 2
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SOMINOR = 3
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DESTDIR =
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prefix = /usr/local
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bindir = $(prefix)/bin
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libdir = $(prefix)/lib
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includedir = $(prefix)/include
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ifeq ($(OS), FreeBSD)
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pkgconfigdir = $(prefix)/libdata/pkgconfig
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else
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pkgconfigdir = $(libdir)/pkgconfig
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endif
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USEGCC = 1
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USECLANG = 0
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ifeq ($(OS), Darwin)
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USEGCC = 0
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USECLANG = 1
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endif
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ifeq ($(OS), FreeBSD)
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USEGCC = 0
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USECLANG = 1
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endif
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AR = ar
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ifeq ($(USECLANG),1)
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USEGCC = 0
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CC = clang
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CFLAGS_add += -fno-builtin -fno-strict-aliasing
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endif
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ifeq ($(USEGCC),1)
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CC = gcc
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CFLAGS_add += -fno-gnu89-inline -fno-builtin
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endif
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ARCH ?= $(shell $(CC) -dumpmachine | sed "s/\([^-]*\).*$$/\1/")
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ifeq ($(ARCH),mingw32)
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$(error "the mingw32 compiler you are using fails the openblas testsuite. please see the Julia README.windows.md document for a replacement")
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endif
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# OS-specific stuff
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ifeq ($(findstring arm,$(ARCH)),arm)
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override ARCH := arm
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MARCH ?= armv7-a
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CFLAGS_add += -mhard-float
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endif
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ifeq ($(findstring powerpc,$(ARCH)),powerpc)
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override ARCH := powerpc
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endif
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ifeq ($(findstring ppc,$(ARCH)),ppc)
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override ARCH := powerpc
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endif
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ifneq ($(filter $(ARCH),i386 i486 i586 i686 i387 i487 i587 i687),)
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override ARCH := i387
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MARCH ?= i686
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endif
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ifeq ($(ARCH),x86_64)
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override ARCH := amd64
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endif
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# If CFLAGS does not contain a -O optimization flag, default to -O3
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ifeq ($(findstring -O,$(CFLAGS)),)
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CFLAGS_add += -O3
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endif
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ifneq (,$(findstring MINGW,$(OS)))
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override OS=WINNT
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endif
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#keep these if statements separate
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ifeq ($(OS), WINNT)
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SHLIB_EXT = dll
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SONAME_FLAG = -soname
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CFLAGS_add += -nodefaultlibs
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shlibdir = $(bindir)
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else
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ifeq ($(OS), Darwin)
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SHLIB_EXT = dylib
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SONAME_FLAG = -install_name
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else
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SHLIB_EXT = so
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SONAME_FLAG = -soname
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endif
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CFLAGS_add += -fPIC
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shlibdir = $(libdir)
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endif
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# Add `-march` to our CFLAGS if it's defined
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ifneq ($(MARCH),)
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CFLAGS_arch += -march=$(MARCH)
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endif
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ifeq ($(ARCH),i387)
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CFLAGS_arch += -m32
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SFLAGS_arch += -m32
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LDFLAGS_arch += -m32
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endif
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ifeq ($(ARCH),amd64)
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CFLAGS_arch += -m64
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SFLAGS_arch += -m64
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LDFLAGS_arch += -m64
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endif
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# Add our "arch"-related FLAGS in. We separate arch-related flags out so that
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# we can conveniently get at them for targets that don't want the rest of
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# *FLAGS_add, such as the testing Makefile targets
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CFLAGS_add += $(CFLAGS_arch)
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SFLAGS_add += $(SFLAGS_arch)
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LDFLAGS_add += $(LDFLAGS_arch)
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CFLAGS_add += -std=c99 -Wall -I$(OPENLIBM_HOME) -I$(OPENLIBM_HOME)/include -I$(OPENLIBM_HOME)/$(ARCH) -I$(OPENLIBM_HOME)/src -DASSEMBLER -D__BSD_VISIBLE -Wno-implicit-function-declaration
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ifneq ($(filter $(ARCH),i387 amd64 aarch64 powerpc),)
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CFLAGS_add += -I$(OPENLIBM_HOME)/ld80
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endif
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# *int / *intf need to be built with -O0
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src/%int.c.o: src/%int.c
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$(CC) $(CPPFLAGS) -O0 $(CFLAGS_add) -c $< -o $@
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src/%intf.c.o: src/%intf.c
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$(CC) $(CPPFLAGS) -O0 $(CFLAGS_add) -c $< -o $@
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%.c.o: %.c
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$(CC) $(CPPFLAGS) $(CFLAGS) $(CFLAGS_add) -c $< -o $@
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%.S.o: %.S
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$(CC) $(CPPFLAGS) $(SFLAGS) $(SFLAGS_add) $(filter -m% -B% -I% -D%,$(CFLAGS_add)) -c $< -o $@
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# Makefile debugging trick:
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# call print-VARIABLE to see the runtime value of any variable
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print-%:
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@echo '$*=$($*)'
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