1 dnl Process this with autoconf to create configure
2 AC_INIT(fficonfig.h.in)
3 AM_CONFIG_HEADER(fficonfig.h)
5 # This works around the fact that libtool configuration may change LD
6 # for this particular configuration, but some shells, instead of
7 # keeping the changes in LD private, export them just because LD is
9 ORIGINAL_LD_FOR_MULTILIBS=$LD
11 dnl Default to --enable-multilib
12 AC_ARG_ENABLE(multilib,
13 [ --enable-multilib build many library versions (default)],
14 [case "${enableval}" in
17 *) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
18 esac], [multilib=yes])dnl
20 dnl We may get other options which we don't document:
21 dnl --with-target-subdir, --with-multisrctop, --with-multisubdir
23 if test "${srcdir}" = "."; then
24 if test "${with_target_subdir}" != "."; then
25 libffi_basedir="${srcdir}/${with_multisrctop}.."
27 libffi_basedir="${srcdir}/${with_multisrctop}"
30 libffi_basedir="${srcdir}"
32 AC_SUBST(libffi_basedir)
38 AM_INIT_AUTOMAKE(libffi,2.00-beta,no-define)
48 mips-sgi-irix5.* | mips-sgi-irix6.*) TARGET=MIPS; TARGETDIR=mips;;
49 i*86-*-linux*) TARGET=X86; TARGETDIR=x86;;
50 i*86-*-solaris*) TARGET=X86; TARGETDIR=x86;;
51 i*86-*-beos*) TARGET=X86; TARGETDIR=x86;;
52 i*86-*-freebsd*) TARGET=X86; TARGETDIR=x86;;
53 i*86-*-netbsdelf*) TARGET=X86; TARGETDIR=x86;;
54 i*86-*-win32*) TARGET=X86_WIN32; TARGETDIR=x86;;
55 i*86-*-cygwin*) TARGET=X86_WIN32; TARGETDIR=x86;;
56 i*86-*-mingw*) TARGET=X86_WIN32; TARGETDIR=x86;;
57 sparc-sun-4*) TARGET=SPARC; TARGETDIR=sparc;;
58 sparc*-sun-*) TARGET=SPARC; TARGETDIR=sparc;;
59 sparc-*-linux*) TARGET=SPARC; TARGETDIR=sparc;;
60 sparc64-*-linux*) TARGET=SPARC; TARGETDIR=sparc;;
61 alpha*-*-linux* | alpha*-*-osf* | alpha*-*-freebsd*) TARGET=ALPHA; TARGETDIR=alpha;;
62 ia64*-*-*) TARGET=IA64; TARGETDIR=ia64;;
63 m68k-*-linux*) TARGET=M68K; TARGETDIR=m68k;;
64 powerpc-*-linux* | powerpc-*-sysv*) TARGET=POWERPC; TARGETDIR=powerpc;;
65 powerpc-*-beos*) TARGET=POWERPC; TARGETDIR=powerpc;;
66 powerpc-*-darwin*) TARGET=POWERPC_DARWIN; TARGETDIR=powerpc;;
67 powerpc-*-aix*) TARGET=POWERPC_AIX; TARGETDIR=powerpc;;
68 rs6000-*-aix*) TARGET=POWERPC_AIX; TARGETDIR=powerpc;;
69 arm*-*-linux-*) TARGET=ARM; TARGETDIR=arm;;
72 if test $TARGETDIR = unknown; then
73 AC_ERROR("libffi has not been ported to $host.")
76 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
77 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
78 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
79 AM_CONDITIONAL(X86, test x$TARGET = xX86)
80 AM_CONDITIONAL(X86_WIN32, test x$TARGET = xX86_WIN32)
81 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
82 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
83 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
84 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
85 AM_CONDITIONAL(POWERPC_AIX, test x$TARGET = xPOWERPC_AIX)
86 AM_CONDITIONAL(POWERPC_DARWIN, test x$TARGET = xPOWERPC_DARWIN)
87 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
90 AC_CHECK_FUNCS(memcpy)
93 dnl AC_CHECK_SIZEOF(char)
94 AC_COMPILE_CHECK_SIZEOF(short)
95 AC_COMPILE_CHECK_SIZEOF(int)
96 AC_COMPILE_CHECK_SIZEOF(long)
97 AC_COMPILE_CHECK_SIZEOF(long long)
98 AC_COMPILE_CHECK_SIZEOF(float)
99 AC_COMPILE_CHECK_SIZEOF(double)
100 AC_COMPILE_CHECK_SIZEOF(long double)
102 AC_COMPILE_CHECK_SIZEOF(void *)
105 if test x$TARGET = xSPARC; then
106 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
107 libffi_cv_as_sparc_ua_pcrel, [
108 save_CFLAGS="$CFLAGS"
109 save_LDFLAGS="$LDFLAGS"
110 CFLAGS="$CFLAGS -fpic"
111 LDFLAGS="$LDFLAGS -shared"
112 AC_TRY_LINK([asm (".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo); .text");],,
113 [libffi_cv_as_sparc_ua_pcrel=yes],
114 [libffi_cv_as_sparc_ua_pcrel=no])
115 CFLAGS="$save_CFLAGS"
116 LDFLAGS="$save_LDFLAGS"])
117 if test "x$libffi_cv_as_sparc_ua_pcrel" = xyes; then
118 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
119 [Define if your assembler and linker support unaligned PC relative relocs.])
129 [ --enable-debug debugging mode],
130 if test "$enable_debug" = "yes"; then
134 AC_ARG_ENABLE(structs,
135 [ --disable-structs omit code for struct support],
136 if test "$enable_structs" = "no"; then
137 AC_DEFINE(FFI_NO_STRUCTS)
140 AC_ARG_ENABLE(raw-api,
141 [ --disable-raw-api make the raw api unavailable],
142 if test "$enable_raw_api" = "no"; then
143 AC_DEFINE(FFI_NO_RAW_API)
146 AC_ARG_ENABLE(purify-safety,
147 [ --enable-purify-safety purify-safe mode],
148 if test "$enable_purify_safety" = "yes"; then
149 AC_DEFINE(USING_PURIFY)
152 AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
154 if test "${multilib}" = "yes"; then
155 multilib_arg="--enable-multilib"
160 AC_OUTPUT(include/Makefile include/ffi.h Makefile,
162 if test -n "$CONFIG_FILES"; then
163 LD="${ORIGINAL_LD_FOR_MULTILIBS}"
164 ac_file=Makefile . ${libffi_basedir}/../config-ml.in
170 with_multisubdir=${with_multisubdir}
171 ac_configure_args="${multilib_arg} ${ac_configure_args}"
172 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
173 libffi_basedir=${libffi_basedir}
176 test ! -d include && mkdir include
177 test ! -f include/fficonfig.h && cp fficonfig.h include/fficonfig.h
178 if cmp -s fficonfig.h include/fficonfig.h 2>/dev/null; then
179 echo fficonfig.h unchanged
181 echo Moving fficonfig.h to include/fficonfig.h
182 cp fficonfig.h include/fficonfig.h
186 # Make target subdirectories if required.
187 test -d src || mkdir src
188 test -d src/${TARGETDIR} || mkdir src/${TARGETDIR}