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 "${with_target_subdir}" != "."; then
25 libffi_basedir="${with_multisrctop}../"
27 libffi_basedir="${with_multisrctop}"
32 AC_SUBST(libffi_basedir)
33 AC_CONFIG_AUX_DIR(${libffi_basedir}..)
39 AM_INIT_AUTOMAKE(libffi,2.00-beta,no-define)
49 mips-sgi-irix5.* | mips-sgi-irix6.*) TARGET=MIPS; TARGETDIR=mips;;
50 i*86-*-linux*) TARGET=X86; TARGETDIR=x86;;
51 i*86-*-solaris*) TARGET=X86; TARGETDIR=x86;;
52 i*86-*-beos*) TARGET=X86; TARGETDIR=x86;;
53 i*86-*-freebsd*) TARGET=X86; TARGETDIR=x86;;
54 i*86-*-netbsdelf*) TARGET=X86; TARGETDIR=x86;;
55 i*86-*-win32*) TARGET=X86_WIN32; TARGETDIR=x86;;
56 i*86-*-cygwin*) TARGET=X86_WIN32; TARGETDIR=x86;;
57 i*86-*-mingw*) TARGET=X86_WIN32; TARGETDIR=x86;;
58 sparc-sun-4*) TARGET=SPARC; TARGETDIR=sparc;;
59 sparc*-sun-*) TARGET=SPARC; TARGETDIR=sparc;;
60 sparc-*-linux* | sparc-*-netbsdelf*) TARGET=SPARC; TARGETDIR=sparc;;
61 sparc64-*-linux* | sparc64-*-netbsd*) TARGET=SPARC; TARGETDIR=sparc;;
62 alpha*-*-linux* | alpha*-*-osf* | alpha*-*-freebsd* | alpha*-*-netbsd*) TARGET=ALPHA; TARGETDIR=alpha;;
63 ia64*-*-*) TARGET=IA64; TARGETDIR=ia64;;
64 m68k-*-linux*) TARGET=M68K; TARGETDIR=m68k;;
66 mips*-*-linux*) TARGET=MIPS_LINUX; TARGETDIR=mips;;
67 powerpc-*-linux* | powerpc-*-sysv*) TARGET=POWERPC; TARGETDIR=powerpc;;
68 powerpc-*-beos*) TARGET=POWERPC; TARGETDIR=powerpc;;
69 powerpc-*-darwin*) TARGET=POWERPC_DARWIN; TARGETDIR=powerpc;;
70 powerpc-*-aix*) TARGET=POWERPC_AIX; TARGETDIR=powerpc;;
71 rs6000-*-aix*) TARGET=POWERPC_AIX; TARGETDIR=powerpc;;
72 arm*-*-linux-*) TARGET=ARM; TARGETDIR=arm;;
73 s390-*-linux-*) TARGET=S390; TARGETDIR=s390;;
74 s390x-*-linux-*) TARGET=S390; TARGETDIR=s390;;
75 x86_64-*-linux*) TARGET=X86_64; TARGETDIR=x86;;
76 sh-*-linux* | sh[[34]]*-*-linux*) TARGET=SH; TARGETDIR=sh;;
79 if test $TARGETDIR = unknown; then
80 AC_ERROR("libffi has not been ported to $host.")
83 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
84 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
85 AM_CONDITIONAL(MIPS_LINUX, test x$TARGET = xMIPS_LINUX)
86 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
87 AM_CONDITIONAL(X86, test x$TARGET = xX86)
88 AM_CONDITIONAL(X86_WIN32, test x$TARGET = xX86_WIN32)
89 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
90 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
91 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
92 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
93 AM_CONDITIONAL(POWERPC_AIX, test x$TARGET = xPOWERPC_AIX)
94 AM_CONDITIONAL(POWERPC_DARWIN, test x$TARGET = xPOWERPC_DARWIN)
95 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
96 AM_CONDITIONAL(S390, test x$TARGET = xS390)
97 AM_CONDITIONAL(X86_64, test x$TARGET = xX86_64)
98 AM_CONDITIONAL(SH, test x$TARGET = xSH)
100 if test x$TARGET = xMIPS_LINUX; then
105 AC_CHECK_FUNCS(memcpy)
108 dnl AC_CHECK_SIZEOF(char)
109 AC_COMPILE_CHECK_SIZEOF(short)
110 AC_COMPILE_CHECK_SIZEOF(int)
111 AC_COMPILE_CHECK_SIZEOF(long)
112 AC_COMPILE_CHECK_SIZEOF(long long)
113 AC_COMPILE_CHECK_SIZEOF(float)
114 AC_COMPILE_CHECK_SIZEOF(double)
115 AC_COMPILE_CHECK_SIZEOF(long double)
117 AC_COMPILE_CHECK_SIZEOF(void *)
120 if test x$TARGET = xSPARC; then
121 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
122 libffi_cv_as_sparc_ua_pcrel, [
123 save_CFLAGS="$CFLAGS"
124 save_LDFLAGS="$LDFLAGS"
125 CFLAGS="$CFLAGS -fpic"
126 LDFLAGS="$LDFLAGS -shared"
127 AC_TRY_LINK([asm (".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo); .text");],,
128 [libffi_cv_as_sparc_ua_pcrel=yes],
129 [libffi_cv_as_sparc_ua_pcrel=no])
130 CFLAGS="$save_CFLAGS"
131 LDFLAGS="$save_LDFLAGS"])
132 if test "x$libffi_cv_as_sparc_ua_pcrel" = xyes; then
133 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
134 [Define if your assembler and linker support unaligned PC relative relocs.])
144 [ --enable-debug debugging mode],
145 if test "$enable_debug" = "yes"; then
149 AC_ARG_ENABLE(structs,
150 [ --disable-structs omit code for struct support],
151 if test "$enable_structs" = "no"; then
152 AC_DEFINE(FFI_NO_STRUCTS)
155 AC_ARG_ENABLE(raw-api,
156 [ --disable-raw-api make the raw api unavailable],
157 if test "$enable_raw_api" = "no"; then
158 AC_DEFINE(FFI_NO_RAW_API)
161 AC_ARG_ENABLE(purify-safety,
162 [ --enable-purify-safety purify-safe mode],
163 if test "$enable_purify_safety" = "yes"; then
164 AC_DEFINE(USING_PURIFY)
167 if test -n "$with_cross_host" &&
168 test x"$with_cross_host" != x"no"; then
169 toolexecdir='$(exec_prefix)/$(target_alias)'
170 toolexeclibdir='$(toolexecdir)/lib'
172 toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
173 toolexeclibdir='$(libdir)'
175 multi_os_directory=`$CC -print-multi-os-directory`
176 case $multi_os_directory in
177 .) ;; # Avoid trailing /.
178 *) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;;
180 AC_SUBST(toolexecdir)
181 AC_SUBST(toolexeclibdir)
183 if test "${multilib}" = "yes"; then
184 multilib_arg="--enable-multilib"
189 AC_OUTPUT(include/Makefile include/ffi.h Makefile,
191 if test -n "$CONFIG_FILES"; then
192 LD="${ORIGINAL_LD_FOR_MULTILIBS}"
193 ac_file=Makefile . ${srcdir}/${libffi_basedir}../config-ml.in
199 with_multisubdir=${with_multisubdir}
200 ac_configure_args="${multilib_arg} ${ac_configure_args}"
201 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
202 libffi_basedir=${libffi_basedir}
205 ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}"
206 test ! -d include && mkdir include
207 test ! -f include/fficonfig.h && cp fficonfig.h include/fficonfig.h
208 if cmp -s fficonfig.h include/fficonfig.h 2>/dev/null; then
209 echo fficonfig.h unchanged
211 echo Moving fficonfig.h to include/fficonfig.h
212 cp fficonfig.h include/fficonfig.h
216 # Make target subdirectories if required.
217 test -d src || mkdir src
218 test -d src/${TARGETDIR} || mkdir src/${TARGETDIR}