#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

AC_PREREQ([2.68])
AC_INIT([cfa-cc],[1.0.0],[cforall@plg.uwaterloo.ca])
AM_INIT_AUTOMAKE
AM_MAINTAINER_MODE(disable)
AC_CONFIG_SRCDIR([src/main.cc])
AC_CONFIG_HEADERS([config.h])

# Installation paths

AC_ARG_WITH(backend-compiler, 
            [  --with-backend-compiler=PROGRAM     PROGRAM that performs the final code compilation (must be gcc-compatible) ], 
            backcompiler=$withval, backcompiler="")
  if test x$backcompiler != x; then
     AC_DEFINE_UNQUOTED(GCC_PATH, "${backcompiler}")
     BACKEND_CC=${backcompiler}
  else
     AC_PATH_PROG(GCC_PATH, gcc, N/A)
     if test "$GCC_PATH" = "N/A"; then
        AC_MSG_ERROR(some version of gcc is needed. Get it at ftp://ftp.gnu.org)
        exit 1
     fi
     AC_DEFINE_UNQUOTED(GCC_PATH, "${GCC_PATH}", [Path/name of C compiler.])
     BACKEND_CC=${GCC_PATH}
  fi
AC_SUBST(BACKEND_CC)

CFA_PREFIX=
if test "x$prefix" = "xNONE"; then
 	cfa_prefix=${ac_default_prefix}
else
 	cfa_prefix=${prefix}
fi 
AC_DEFINE_UNQUOTED(CFA_PREFIX, "${cfa_prefix}", [Location of cfa files.])
CFA_PREFIX=${cfa_prefix}
AC_SUBST(CFA_PREFIX)

CFA_INCDIR=
if test "$includedir" = '${prefix}/include'; then
 	cfa_incdir="${cfa_prefix}/include"
else
 	cfa_incdir=${$includedir}
fi 
AC_DEFINE_UNQUOTED(CFA_INCDIR, "${cfa_incdir}", [Location of include files.])
CFA_INCDIR=${cfa_incdir}
AC_SUBST(CFA_INCDIR)

CFA_BINDIR=
if test "$bindir" = '${exec_prefix}/bin'; then
 	cfa_bindir="${cfa_prefix}/bin"
else
 	cfa_bindir=${bindir}
fi 
AC_DEFINE_UNQUOTED(CFA_BINDIR, "${cfa_bindir}", [Location of cfa command.])
CFA_BINDIR=${cfa_bindir}
AC_SUBST(CFA_BINDIR)

CFA_LIBDIR=
if test "$libdir" = '${exec_prefix}/lib'; then
 	cfa_libdir=${cfa_prefix}/lib
else
 	cfa_libdir=${libdir}
fi 
AC_DEFINE_UNQUOTED(CFA_LIBDIR, "${cfa_libdir}", [Location of cc1 and cfa-cpp commands.])
CFA_LIBDIR=${cfa_libdir}
AC_SUBST(CFA_LIBDIR)

# Checks for programs.
AC_PROG_CXX
AC_PROG_AWK
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_MAKE_SET

# Checks for libraries.

# Checks for header files.
AC_FUNC_ALLOCA
AC_CHECK_HEADERS([fenv.h float.h inttypes.h libintl.h limits.h malloc.h stddef.h stdlib.h string.h unistd.h])

# Checks for typedefs, structures, and compiler characteristics.
AC_HEADER_STDBOOL
AC_C_INLINE
AC_TYPE_INT16_T
AC_TYPE_INT32_T
AC_TYPE_INT8_T
AC_C_RESTRICT
AC_TYPE_SIZE_T
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT8_T

# Checks for library functions.
AC_CHECK_FUNCS([memset putenv strchr strtol])

AC_CONFIG_FILES([Makefile
                 src/Makefile
                 driver/Makefile
                 libcfa/Makefile
                 src/examples/Makefile])

AC_OUTPUT

# Final text
AC_MSG_RESULT(Cforall configuraton completed. Type "make -j 8 install".)