configure.ac

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

AC_PREREQ([2.69])
AC_INIT(szp, 1.2, sdi1@anl.gov)
AM_INIT_AUTOMAKE([foreign -Wall -Werror subdir-objects])
AC_CONFIG_SRCDIR([SZp/include/szp.h])
AC_CONFIG_HEADERS([config.h])

# Checks for programs.
# : ${CFLAGS=-ggdb -O0 -std=c99 -Wall}
: ${CFLAGS=-O3 -std=c99 -Wall}
: ${CPPFLAGS=-O3 -Wall}

m4_include([m4/ax_openmp.m4])
AX_OPENMP
AC_SUBST([OPENMP_CFLAGS])
AC_SUBST([OPENMP_CXXFLAGS])

AC_PROG_CXX
AC_PROG_CC
AC_PROG_FC
AC_PROG_RANLIB
AM_PROG_AR
AC_PROG_LIBTOOL
#m4_ifdef([AM_PROG_AR], [AM_PROG_AR])

AM_MAINTAINER_MODE([disable])

AC_DEFUN([AC_F90_LIBRARY_LDFLAGS],
[AC_LANG_PUSH(Fortran 90)dnl
_AC_PROG_F90_V
AC_CACHE_CHECK([for Fortran 90 libraries], ac_cv_flibs,
[if test "x$FLIBS" != "x"; then
  ac_cv_flibs="$FLIBS" # Let the user override the test.
else

_AC_PROG_F90_V_OUTPUT

ac_cv_flibs=

# Save positional arguments (if any)
ac_save_positional="$[@]"

set X $ac_f90_v_output
while test $[@%:@] != 1; do
  shift
  ac_arg=$[1]
  case $ac_arg in
        [[\\/]]*.a | ?:[[\\/]]*.a)
          _AC_LIST_MEMBER_IF($ac_arg, $ac_cv_flibs, ,
              ac_cv_flibs="$ac_cv_flibs $ac_arg")
          ;;
        -bI:*)
          _AC_LIST_MEMBER_IF($ac_arg, $ac_cv_flibs, ,
             [_AC_LINKER_OPTION([$ac_arg], ac_cv_flibs)])
          ;;
          # Ignore these flags.
        -lang* | -lcrt0.o | -lc | -lgcc | -libmil | -LANG:=*)
          ;;
        -lkernel32)
          test x"$CYGWIN" != xyes && ac_cv_flibs="$ac_cv_flibs $ac_arg"
          ;;
        -[[LRuY]])
          # These flags, when seen by themselves, take an argument.
          # We remove the space between option and argument and re-iterate
          # unless we find an empty arg or a new option (starting with -)
	  case $[2] in
             "" | -*);;
             *)
		ac_arg="$ac_arg$[2]"
		shift; shift
		set X $ac_arg "$[@]"
		;;
	  esac
          ;;
        -YP,*)
          for ac_j in `echo $ac_arg | sed -e 's/-YP,/-L/;s/:/ -L/g'`; do
            _AC_LIST_MEMBER_IF($ac_j, $ac_cv_flibs, ,
                               [ac_arg="$ac_arg $ac_j"
                               ac_cv_flibs="$ac_cv_flibs $ac_j"])
          done
          ;;
        -[[lLR]]*)
          _AC_LIST_MEMBER_IF($ac_arg, $ac_cv_flibs, ,
                             ac_cv_flibs="$ac_cv_flibs $ac_arg")
          ;;
          # Ignore everything else.
  esac
done
# restore positional arguments
set X $ac_save_positional; shift

# We only consider "LD_RUN_PATH" on Solaris systems.  If this is seen,
# then we insist that the "run path" must be an absolute path (i.e. it
# must begin with a "/").
case `(uname -sr) 2>/dev/null` in
   "SunOS 5"*)
      ac_ld_run_path=`echo $ac_f90_v_output |
                        sed -n 's,^.*LD_RUN_PATH *= *\(/[[^ ]]*\).*$,-R\1,p'`
      test "x$ac_ld_run_path" != x &&
        _AC_LINKER_OPTION([$ac_ld_run_path], ac_cv_flibs)
      ;;
esac
fi # test "x$FLIBS" = "x"
])
FLIBS="$ac_cv_flibs"
AC_SUBST(FLIBS)
AC_LANG_POP(Fortran 90)dnl
])# AC_F90_LIBRARY_LDFLAGS

# Checks for libraries.

# Checks for header files.
AC_CHECK_HEADERS([fcntl.h limits.h malloc.h stddef.h stdlib.h string.h sys/time.h unistd.h])

#
AC_ARG_ENABLE([fortran],
              AS_HELP_STRING([--enable-fortran], [Enable fortran compilation]))
AM_CONDITIONAL([FORTRAN], [test "x$enable_fortran" = "xyes"])

## 
## OPENMP
##

AC_ARG_ENABLE(openmp, [  --enable-openmp            use OPENMP], ok=$enableval, ok=no)
AM_CONDITIONAL([OPENMP], [test "x$enable_openmp" = "xyes"])

if test "$ok" = "yes"; then
        OPENMP_FLAGS="-DHAVE_OPENMP"
fi
AC_SUBST(OPENMP_FLAGS)

# Checks for typedefs, structures, and compiler characteristics.
AC_TYPE_SIZE_T
AC_CHECK_TYPES([ptrdiff_t])

# Checks for library functions.
AC_FUNC_MALLOC
AC_FUNC_REALLOC
AC_CHECK_FUNCS([memchr memset strchr strtol])

AC_CONFIG_FILES([Makefile
                 SZp/Makefile
		 example/Makefile])
AC_OUTPUT