dnl -*-m4-*-
dnl configure.in for ICU
dnl Stephen F. Booth

dnl Process this file with autoconf to produce a configure script
AC_INIT(common/utypes.h)
AC_CONFIG_HEADER(common/icucfg.h)
PACKAGE="icu"
AC_SUBST(PACKAGE)
VERSION="1.3.1"
AC_SUBST(VERSION)

dnl Checks for programs
AC_PROG_CC
AC_PROG_CXX
AC_PROG_INSTALL
AC_CHECK_PROG(AUTOCONF, autoconf, autoconf, true)

dnl Determine the host system and Makefile fragment
AC_CANONICAL_HOST
ICU_CHECK_MH_FRAG

dnl Checks for libraries
dnl On HP/UX, don't link to -lm from a shared lib because it isn't
dnl  PIC (at least on 10.2)
case "${host}" in
	*-*-hpux*) 	AC_CHECK_LIB(m, floor, LIB_M="-lm") ;;
	*) 		AC_CHECK_LIB(m, floor) 
			LIB_M="" ;;
esac
AC_SUBST(LIB_M)

dnl special pthread handling 
dnl AIX uses pthreads instead of pthread, and HP/UX uses cma
AC_CHECK_LIB(pthread, pthread_create)
if test $ac_cv_lib_pthread_pthread_create = no; then
AC_CHECK_LIB(pthreads, pthread_create)
fi
if test $ac_cv_lib_pthread_pthread_create = no; then
AC_CHECK_LIB(cma, pthread_create)
fi

dnl Checks for header files
AC_CHECK_HEADERS(inttypes.h)
if test $ac_cv_header_inttypes_h = no; then
HAVE_INTTYPES_H=0
else
HAVE_INTTYPES_H=1
fi
AC_SUBST(HAVE_INTTYPES_H)

dnl Check for endianness
AC_C_BIGENDIAN(unknown)
if test $ac_cv_c_bigendian = no; then
U_IS_BIG_ENDIAN=0
else
U_IS_BIG_ENDIAN=1
fi
AC_SUBST(U_IS_BIG_ENDIAN)


dnl Checks for typedefs
AC_CHECK_TYPE(int8_t,signed char)
AC_CHECK_TYPE(uint8_t,unsigned char)
AC_CHECK_TYPE(int16_t,signed short)
AC_CHECK_TYPE(uint16_t,unsigned short)
AC_CHECK_TYPE(int32_t,signed long)
AC_CHECK_TYPE(uint32_t,unsigned long)
AC_CHECK_TYPE(bool_t,signed char)

if test $ac_cv_type_int8_t = no; then
HAVE_INT8_T=0
else
HAVE_INT8_T=1
fi
AC_SUBST(HAVE_INT8_T)

if test $ac_cv_type_uint8_t = no; then
HAVE_UINT8_T=0
else
HAVE_UINT8_T=1
fi
AC_SUBST(HAVE_UINT8_T)

if test $ac_cv_type_int16_t = no; then
HAVE_INT16_T=0
else
HAVE_INT16_T=1
fi
AC_SUBST(HAVE_INT16_T)

if test $ac_cv_type_uint16_t = no; then
HAVE_UINT16_T=0
else
HAVE_UINT16_T=1
fi
AC_SUBST(HAVE_UINT16_T)

if test $ac_cv_type_int32_t = no; then
HAVE_INT32_T=0
else
HAVE_INT32_T=1
fi
AC_SUBST(HAVE_INT32_T)

if test $ac_cv_type_uint32_t = no; then
HAVE_UINT32_T=0
else
HAVE_UINT32_T=1
fi
AC_SUBST(HAVE_UINT32_T)

if test $ac_cv_type_bool_t = no; then
HAVE_BOOL_T=0
else
HAVE_BOOL_T=1
fi
AC_SUBST(HAVE_BOOL_T)

dnl Enable/disable extras
AC_ARG_ENABLE(extras,
	[  --enable-extras         build ICU extras [default=yes]],
	[case "${enableval}" in
		yes) extras=true ;;
		no)  extras=false ;;
		*) AC_MSG_ERROR(bad value ${enableval} for --enable-extras) ;;
		esac], 
	extras=true)
ICU_CONDITIONAL(EXTRAS, test "$extras" = true)

dnl Enable/disable tests
AC_ARG_ENABLE(tests,
	[  --enable-tests          build ICU tests [default=yes]],
	[case "${enableval}" in
		yes) tests=true ;;
		no)  tests=false ;;
		*) AC_MSG_ERROR(bad value ${enableval} for --enable-tests) ;;
		esac], 
	tests=true)
ICU_CONDITIONAL(TESTS, test "$tests" = true)

dnl Enable/disable samples
AC_ARG_ENABLE(samples,
	[  --enable-samples        build ICU samples [default=yes]],
	[case "${enableval}" in
		yes) samples=true ;;
		no)  samples=false ;;
		*) AC_MSG_ERROR(bad value ${enableval} for --enable-samples) ;;
		esac], 
	samples=true)
ICU_CONDITIONAL(SAMPLES, test "$samples" = true)

dnl Platform-specific Makefile setup
case "${host}" in
	*-*-solaris*) 	platform=SOLARIS ;;
	*-*-linux*) 	platform=LINUX ;;
	*-*-aix*) 	platform=AIX ;;
	*-*-hpux*) 	platform=HPUX ;;
	*-*-os390*)	platform=OS390 ;;
	*) 		platform=UNKNOWN ;;
esac
AC_SUBST(platform)
host_frag=$icu_cv_host_frag
AC_SUBST_FILE(host_frag)

dnl Handle -rpath options for shared library paths
case "${host}" in
	*-*-solaris*) 	ld_rpath_suf=":" ;;
	*-*-linux*) 	ld_rpath_suf=" " ;;
	*-*-aix*) 	ld_rpath_suf="" ;;
	*-*-hpux*) 	ld_rpath_suf=":" ;;
	*-*-os390*)	ld_rpath_suf=" " ;;
	*) 		ld_rpath_suf="" ;;
esac
AC_SUBST(ld_rpath_suf)

dnl On HP/UX, main() functions compiled in C don't invoke
dnl static constructors in C++ libs.  Hack around that here
dnl by renaming some .c files to .cpp
case "${host}" in
	*-*-hpux*) 	
		for file in tools/gencol/gencol samples/date/date \
		  samples/cal/cal test/cintltst/cintltst
		do
		  if test -f $file.c; then
		    mv $file.c $file.cpp
		  fi
		done
	;;
esac


dnl output the Makefiles
AC_OUTPUT([Makefile \
		common/Makefile common/platform.h config/Makefile i18n/Makefile \
		extra/Makefile extra/ustdio/Makefile \
		tools/Makefile tools/ctestfw/Makefile tools/makeconv/Makefile \
		tools/genrb/Makefile tools/gencol/Makefile \
		tools/rbdump/Makefile \
		test/Makefile test/intltest/Makefile test/cintltst/Makefile \
		test/ieeetest/Makefile \
		samples/Makefile samples/date/Makefile samples/cal/Makefile \
		samples/XMLConverter/Makefile])