Copy GHC's config.guess/sub over libffi's versions
[ghc.git] / libffi / ghc.mk
1 # -----------------------------------------------------------------------------
2 #
3 # (c) 2009 The University of Glasgow
4 #
5 # This file is part of the GHC build system.
6 #
7 # To understand how the build system works and how to modify it, see
8 # http://ghc.haskell.org/trac/ghc/wiki/Building/Architecture
9 # http://ghc.haskell.org/trac/ghc/wiki/Building/Modifying
10 #
11 # -----------------------------------------------------------------------------
12
13
14 libffi_STAMP_STATIC_CONFIGURE = libffi/stamp.ffi.static.configure
15 libffi_STAMP_STATIC_BUILD = libffi/stamp.ffi.static.build
16 libffi_STAMP_STATIC_INSTALL = libffi/stamp.ffi.static.install
17
18 libffi_STAMP_STATIC_SHARED_CONFIGURE = libffi/stamp.ffi.static-shared.configure
19 libffi_STAMP_STATIC_SHARED_BUILD = libffi/stamp.ffi.static-shared.build
20 libffi_STAMP_STATIC_SHARED_INSTALL = libffi/stamp.ffi.static-shared.install
21
22 ifeq "$(BuildSharedLibs)" "YES"
23 libffi_STAMP_CONFIGURE = $(libffi_STAMP_STATIC_SHARED_CONFIGURE)
24 libffi_STAMP_BUILD = $(libffi_STAMP_STATIC_SHARED_BUILD)
25 libffi_STAMP_INSTALL = $(libffi_STAMP_STATIC_SHARED_INSTALL)
26 libffi_EnableShared = yes
27 else
28 libffi_STAMP_CONFIGURE = $(libffi_STAMP_STATIC_CONFIGURE)
29 libffi_STAMP_BUILD = $(libffi_STAMP_STATIC_BUILD)
30 libffi_STAMP_INSTALL = $(libffi_STAMP_STATIC_INSTALL)
31 libffi_EnableShared = no
32 endif
33
34 libffi_STATIC_LIB = libffi/build/inst/lib/libffi.a
35 libffi_HEADERS = rts/dist/build/ffi.h \
36 rts/dist/build/ffitarget.h
37
38 ifeq "$(HostOS_CPP)" "mingw32"
39 LIBFFI_NAME = ffi-6
40 else
41 LIBFFI_NAME = ffi
42 endif
43 LIBFFI_DLL = lib$(LIBFFI_NAME).dll
44
45 ifeq "$(OSTYPE)" "cygwin"
46 LIBFFI_PATH_MANGLE = PATH=$$(cygpath "$(TOP)")/libffi:$$PATH; export PATH;
47 endif
48
49 ifneq "$(BINDIST)" "YES"
50 $(libffi_STAMP_CONFIGURE): $(TOUCH_DEP)
51 $(call removeFiles,$(libffi_STAMP_STATIC_CONFIGURE))
52 $(call removeFiles,$(libffi_STAMP_STATIC_BUILD))
53 $(call removeFiles,$(libffi_STAMP_STATIC_INSTALL))
54 $(call removeFiles,$(libffi_STAMP_STATIC_SHARED_CONFIGURE))
55 $(call removeFiles,$(libffi_STAMP_STATIC_SHARED_BUILD))
56 $(call removeFiles,$(libffi_STAMP_STATIC_SHARED_INSTALL))
57 $(call removeTrees,$(LIBFFI_DIR) libffi/build)
58 cat libffi-tarballs/libffi*.tar.gz | $(GZIP_CMD) -d | { cd libffi && $(TAR_CMD) -xf - ; }
59 mv libffi/libffi-* libffi/build
60
61 # update config.guess/config.sub
62 $(CP) "$(TOP)/config.guess" libffi/build/config.guess
63 $(CP) "$(TOP)/config.sub" libffi/build/config.sub
64
65 # We have to fake a non-working ln for configure, so that the fallback
66 # option (cp -p) gets used instead. Otherwise the libffi build system
67 # will use cygwin symbolic links which cannot be read by mingw gcc.
68 chmod +x libffi/ln
69
70 # We need to use -MMD rather than -MD, as otherwise we get paths
71 # like c:/... in the dependency files on Windows, and the extra
72 # colons break make
73 mv libffi/build/Makefile.in libffi/build/Makefile.in.orig
74 sed "s/-MD/-MMD/" < libffi/build/Makefile.in.orig > libffi/build/Makefile.in
75
76 # We attempt to specify the installation directory below with --libdir,
77 # but libffi installs into 'toolexeclibdir' instead, which may differ
78 # on systems where gcc has multilib support. Force libffi to use libdir.
79 # (https://sourceware.org/ml/libffi-discuss/2014/msg00016.html)
80 mv libffi/build/Makefile.in libffi/build/Makefile.in.orig
81 sed 's:@toolexeclibdir@:$$(libdir):g' < libffi/build/Makefile.in.orig > libffi/build/Makefile.in
82
83 # Their cmd invocation only works on msys. On cygwin it starts
84 # a cmd interactive shell. The replacement works in both environments.
85 mv libffi/build/ltmain.sh libffi/build/ltmain.sh.orig
86 sed 's#cmd //c echo "\$$1"#cmd /c "echo $$1"#' < libffi/build/ltmain.sh.orig > libffi/build/ltmain.sh
87
88 # * Because -Werror may be in SRC_CC_OPTS/SRC_LD_OPTS, we need to turn
89 # warnings off or the compilation of libffi might fail due to warnings;
90 # hence the -w flags.
91 # * We specify --libdir, as we need to know the path to libffi.a, but on
92 # some platforms it defaults to .../lib64/ rather than .../lib/.
93 cd libffi && \
94 $(LIBFFI_PATH_MANGLE) \
95 cd build && \
96 CC=$(CC_STAGE1) \
97 CXX=$(CC_STAGE1) \
98 LD=$(LD) \
99 AR=$(AR_STAGE1) \
100 NM=$(NM) \
101 RANLIB=$(REAL_RANLIB_CMD) \
102 CFLAGS="$(SRC_CC_OPTS) $(CONF_CC_OPTS_STAGE1) -w" \
103 LDFLAGS="$(SRC_LD_OPTS) $(CONF_GCC_LINKER_OPTS_STAGE1) -w" \
104 "$(SHELL)" ./configure \
105 --prefix=$(TOP)/libffi/build/inst \
106 --libdir=$(TOP)/libffi/build/inst/lib \
107 --enable-static=yes \
108 --enable-shared=$(libffi_EnableShared) \
109 --host=$(TargetPlatformFull)
110
111 # wc on OS X has spaces in its output, which libffi's Makefile
112 # doesn't expect, so we tweak it to sed them out
113 mv libffi/build/Makefile libffi/build/Makefile.orig
114 sed "s#wc -w#wc -w | sed 's/ //g'#" < libffi/build/Makefile.orig > libffi/build/Makefile
115
116 "$(TOUCH_CMD)" $@
117
118 $(libffi_STAMP_BUILD): $(libffi_STAMP_CONFIGURE) $(TOUCH_DEP)
119 $(MAKE) -C libffi/build MAKEFLAGS=
120 "$(TOUCH_CMD)" $@
121
122 $(libffi_STAMP_INSTALL): $(libffi_STAMP_BUILD) $(TOUCH_DEP)
123 $(MAKE) -C libffi/build MAKEFLAGS= install
124 "$(TOUCH_CMD)" $@
125
126 $(libffi_STATIC_LIB): $(libffi_STAMP_INSTALL)
127 @test -f $@ || { echo "$< exists, but $@ does not."; echo "Suggest removing $<."; exit 1; }
128
129 $(libffi_HEADERS): $(libffi_STAMP_INSTALL) | $$(dir $$@)/.
130 cp -f libffi/build/inst/lib/libffi-*/include/$(notdir $@) $@
131
132 $(eval $(call clean-target,libffi,, \
133 libffi/build $(wildcard libffi/stamp.ffi.*) libffi/dist-install))
134
135 endif
136