dnl Process this with autoconf to create configure
AC_INIT(fficonfig.h.in)
AM_CONFIG_HEADER(fficonfig.h)

AC_CANONICAL_HOST

AM_INIT_AUTOMAKE(libffi,1.20)

AC_PROG_CC
AM_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;;
sparc-sun-4*) TARGET=SPARC; TARGETDIR=sparc;;
sparc-sun-*) TARGET=SPARC; TARGETDIR=sparc;;
alpha*-*-linux* | alpha*-*-osf*) TARGET=ALPHA; TARGETDIR=alpha;;
m68k-*-linux*) TARGET=M68K; TARGETDIR=m68k;;
powerpc-*-linux* | powerpc-*-sysv*) TARGET=POWERPC; TARGETDIR=powerpc;;
arm-*-linux-*) TARGET=ARM; TARGETDIR=arm;;
esac

if test $TARGETDIR = unknown; then
  AC_ERROR("libffi has not been ported to $host.")
fi

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(ALPHA, test x$TARGET = xALPHA)
AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
AM_CONDITIONAL(ARM, test x$TARGET = xARM)

AC_HEADER_STDC
AC_CHECK_FUNCS(memcpy)
AC_FUNC_ALLOCA

dnl AC_CHECK_SIZEOF(char)
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(long long)
AC_CHECK_SIZEOF(float)
AC_CHECK_SIZEOF(double)
AC_CHECK_SIZEOF(long double)

AC_SUBST(TARGET)
AC_SUBST(TARGETDIR)

AC_SUBST(SHELL)

AC_ARG_ENABLE(debug,[  --enable-debug          Debugging mode], AC_DEFINE(FFI_DEBUG))
AC_ARG_ENABLE(purify-safety,
[  --enable-purify-safety  Purify-safe mode], AC_DEFINE(USING_PURIFY))

AC_OUTPUT(include/Makefile include/ffi.h Makefile src/Makefile,, 
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 
	echo fficonfig.h unchanged
else
	echo Moving fficonfig.h to include/fficonfig.h
	cp fficonfig.h include/fficonfig.h
fi
)