* sh.md: Avoid uninitialized warnings.

[pf3gnuchains/gcc-fork.git] / libffi / configure.in

diff --git a/libffi/configure.in b/libffi/configure.in
index a8d6eda..67113d1 100644 (file)
--- a/libffi/configure.in
+++ b/libffi/configure.in
@@ -2,15 +2,33 @@ dnl Process this with autoconf to create configure
 AC_INIT(fficonfig.h.in)
 AM_CONFIG_HEADER(fficonfig.h)
 
-AC_MSG_WARN(***********************************************************)
-AC_MSG_WARN(***********************************************************)
-AC_MSG_WARN(This is beta code.  If you're looking for a stable release)
-AC_MSG_WARN(then use the most recent one - libffi-1.20.)
-AC_MSG_WARN(***********************************************************)
-AC_MSG_WARN(***********************************************************)
+dnl Default to --enable-multilib
+AC_ARG_ENABLE(multilib,
+[  --enable-multilib       build many library versions (default)],
+[case "${enableval}" in
+  yes) multilib=yes ;;
+  no)  multilib=no ;;
+  *)   AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
+ esac], [multilib=yes])dnl
+
+dnl We may get other options which we don't document:
+dnl --with-target-subdir, --with-multisrctop, --with-multisubdir
+
+if test "${srcdir}" = "."; then
+  if test "${with_target_subdir}" != "."; then
+    libffi_basedir="${srcdir}/${with_multisrctop}.."
+  else
+    libffi_basedir="${srcdir}/${with_multisrctop}"
+  fi
+else
+  libffi_basedir="${srcdir}"
+fi
+AC_SUBST(libffi_basedir)
 
 AC_CANONICAL_HOST
 
+AM_PROG_LIBTOOL
+
 AM_INIT_AUTOMAKE(libffi,2.00-beta,no-define)
 
 AC_EXEEXT
@@ -22,15 +40,24 @@ AC_PROG_LIBTOOL
 TARGETDIR="unknown"
 case "$host" in
 mips-sgi-irix5.* | mips-sgi-irix6.*) TARGET=MIPS; TARGETDIR=mips;;
-i*86-pc-linux*) TARGET=X86; TARGETDIR=x86;;
+i*86-*-linux*) TARGET=X86; TARGETDIR=x86;;
+i*86-*-solaris*) TARGET=X86; TARGETDIR=x86;;
 i*86-*-beos*) TARGET=X86; TARGETDIR=x86;;
+i*86-*-freebsd*) TARGET=X86; TARGETDIR=x86;;
+i*86-*-win32*) TARGET=X86_WIN32; TARGETDIR=x86;;
+i*86-*-cygwin*) TARGET=X86_WIN32; TARGETDIR=x86;;
+i*86-*-mingw*) TARGET=X86_WIN32; TARGETDIR=x86;;
 sparc-sun-4*) TARGET=SPARC; TARGETDIR=sparc;;
-sparc-sun-*) TARGET=SPARC; TARGETDIR=sparc;;
+sparc*-sun-*) TARGET=SPARC; TARGETDIR=sparc;;
+sparc-*-linux*) TARGET=SPARC; TARGETDIR=sparc;;
+sparc64-*-linux*) TARGET=SPARC; TARGETDIR=sparc;;
 alpha*-*-linux* | alpha*-*-osf*) TARGET=ALPHA; TARGETDIR=alpha;;
+ia64*-*-*) TARGET=IA64; TARGETDIR=ia64;;
 m68k-*-linux*) TARGET=M68K; TARGETDIR=m68k;;
 powerpc-*-linux* | powerpc-*-sysv*) TARGET=POWERPC; TARGETDIR=powerpc;;
 powerpc-*-beos*) TARGET=POWERPC; TARGETDIR=powerpc;;
-arm-*-linux-*) TARGET=ARM; TARGETDIR=arm;;
+powerpc-*-darwin*) TARGET=POWERPC_DARWIN; TARGETDIR=powerpc;;
+arm*-*-linux-*) TARGET=ARM; TARGETDIR=arm;;
 esac
 
 if test $TARGETDIR = unknown; then
@@ -41,9 +68,12 @@ AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
 AM_CONDITIONAL(X86, test x$TARGET = xX86)
+AM_CONDITIONAL(X86_WIN32, test x$TARGET = xX86_WIN32)
 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
+AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
+AM_CONDITIONAL(POWERPC_DARWIN, test x$TARGET = xPOWERPC_DARWIN)
 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
 
 AC_HEADER_STDC
@@ -67,18 +97,53 @@ AC_SUBST(TARGETDIR)
 
 AC_SUBST(SHELL)
 
-AC_ARG_ENABLE(debug,[  --enable-debug          debugging mode], AC_DEFINE(FFI_DEBUG))
+AC_ARG_ENABLE(debug,
+[  --enable-debug          debugging mode],
+  if test "$enable_debug" = "yes"; then
+    AC_DEFINE(FFI_DEBUG)
+  fi)
 
-AC_ARG_ENABLE(debug,[  --disable-structs       omit code for struct support], AC_DEFINE(FFI_NO_STRUCTS))
+AC_ARG_ENABLE(structs,
+[  --disable-structs       omit code for struct support],
+  if test "$enable_structs" = "no"; then
+    AC_DEFINE(FFI_NO_STRUCTS)
+  fi)
 
-AC_ARG_ENABLE(debug,[  --disable-raw-api       make the raw api unavailable], AC_DEFINE(FFI_NO_RAW_API))
+AC_ARG_ENABLE(raw-api,
+[  --disable-raw-api       make the raw api unavailable],
+  if test "$enable_raw_api" = "no"; then
+    AC_DEFINE(FFI_NO_RAW_API)
+  fi)
 
 AC_ARG_ENABLE(purify-safety,
-[  --enable-purify-safety  purify-safe mode], AC_DEFINE(USING_PURIFY))
+[  --enable-purify-safety  purify-safe mode],
+  if test "$enable_purify_safety" = "yes"; then
+    AC_DEFINE(USING_PURIFY)
+  fi)
 
 AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
 
-AC_OUTPUT(include/Makefile include/ffi.h Makefile,, 
+if test "${multilib}" = "yes"; then
+  multilib_arg="--enable-multilib"
+else
+  multilib_arg=
+fi
+
+AC_OUTPUT(include/Makefile include/ffi.h Makefile,
+[
+if test -n "$CONFIG_FILES"; then
+   ac_file=Makefile . ${libffi_basedir}/../config-ml.in
+fi
+],
+srcdir=${srcdir}
+host=${host}
+target=${target}
+with_multisubdir=${with_multisubdir}
+ac_configure_args="${multilib_arg} ${ac_configure_args}"
+CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
+libffi_basedir=${libffi_basedir}
+CC="${CC}"
+DEFS="$DEFS"
 test ! -d include && mkdir include
 test ! -f include/fficonfig.h && cp fficonfig.h include/fficonfig.h
 if cmp -s fficonfig.h include/fficonfig.h 2>/dev/null; then 
@@ -88,3 +153,7 @@ else
        cp fficonfig.h include/fficonfig.h
 fi
 )
+
+# Make target subdirectories if required.
+test -d src || mkdir src
+test -d src/${TARGETDIR} || mkdir src/${TARGETDIR}