# Process this file with autoconf to produce a configure script.
AC_INIT([tools/misc.cc])
AC_CONFIG_HEADER([include/config.h])

OUTPUT_MAKEFILES="Makefile"
if test -d "tools"; then
   OUTPUT_MAKEFILES=$OUTPUT_MAKEFILES" tools/Makefile"
fi
if test -d "modgen"; then
   OUTPUT_MAKEFILES=$OUTPUT_MAKEFILES" modgen/Makefile"
fi
dnl llllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll
dnl version stuff -- should be set in ../configure.in
dnl
dnl here are some defaults

SINGULAR_MAJOR_VERSION=${SINGULAR_MAJOR_VERSION:-3}
SINGULAR_MINOR_VERSION=${SINGULAR_MINOR_VERSION:-0}
SINGULAR_SUB_VERSION=${SINGULAR_SUB_VERSION:-3}
SINGULAR_VERSION="${SINGULAR_VERSION:-$SINGULAR_MAJOR_VERSION${VERSION_SEP}$SINGULAR_MINOR_VERSION${VERSION_SEP}$SINGULAR_SUB_VERSION}"
VERSION_DATE=${VERSION_DATE:-"December 2006"}

dnl pass them on into the Makefiles
AC_SUBST(SINGULAR_VERSION)
AC_SUBST(VERSION_DATE)
AC_SUBST(SINGULAR_MAJOR_VERSION)
AC_SUBST(SINGULAR_MINOR_VERSION)
AC_SUBST(SINGULAR_SUB_VERSION)
AC_DEFINE_UNQUOTED(SINGULAR_MAJOR_VERSION, ${SINGULAR_MAJOR_VERSION})
AC_DEFINE_UNQUOTED(SINGULAR_MINOR_VERSION, ${SINGULAR_MINOR_VERSION})
AC_DEFINE_UNQUOTED(SINGULAR_SUB_VERSION, ${SINGULAR_SUB_VERSION})
AC_DEFINE_UNQUOTED(S_VERSION1, "${SINGULAR_MAJOR_VERSION}${VERSION_SEP}${SINGULAR_MINOR_VERSION}${VERSION_SEP}${SINGULAR_SUB_VERSION}")
AC_DEFINE_UNQUOTED(S_VERSION2, "${VERSION_DATE}")
AC_DEFINE_UNQUOTED(SINGULAR_SUB_VERSION, ${SINGULAR_SUB_VERSION})


# Checks for programs.
AC_PROG_AWK
AC_PROG_YACC
AC_PROG_CXX
AC_PROG_CC
AC_PROG_LEX
AC_PROG_INSTALL
AC_PROG_MAKE_SET
# ln -s
AC_PROG_LN_S

# Export install-sh
AC_SUBST(ac_install_sh)

# Checks for libraries.
# FIXME: Replace `main' with a function in `-lgmp':
AC_CHECK_LIB([gmp], [main])

LD=$CC
AC_SUBST(LD)

# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([fcntl.h stddef.h stdlib.h string.h unistd.h])

AC_CHECK_HEADERS([getopt.h])
AC_CHECK_FUNCS([getopt_long],,
   [# FreeBSD has a gnugetopt library for this
    AC_CHECK_LIB([gnugetopt],[getopt_long],[AC_DEFINE([HAVE_GETOPT_LONG])])])

# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_SIZE_T

# Checks for library functions.
AC_FUNC_VPRINTF
AC_CHECK_FUNCS([malloc memset mkstemp mkdir regcomp strcasecmp strdup strrchr])

dnl lllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll
dnl determine singuname
dnl

AC_MSG_CHECKING(uname for singular)
AC_CACHE_VAL(ac_cv_singuname,
ac_cv_singuname="unknown"
if test -r "singuname.sh"; then
  if (/bin/sh singuname.sh >/dev/null 2>&1) then
    ac_cv_singuname=`/bin/sh singuname.sh`
  fi
fi
if test "$ac_cv_singuname" = unknown && test -r "../singuname.sh"; then
  if (/bin/sh ../singuname.sh >/dev/null 2>&1) then
    ac_cv_singuname=`/bin/sh ../singuname.sh`
  fi
fi
)
AC_MSG_RESULT($ac_cv_singuname)
if test "$ac_cv_singuname" = unknown; then
  AC_MSG_WARN(Unknown architecture: Check singuname.sh)
  ac_cv_singuname="unknown"
fi
AC_DEFINE_UNQUOTED(S_UNAME, "$ac_cv_singuname")
SINGUNAME=$ac_cv_singuname
AC_SUBST(SINGUNAME)

if test "$ac_cv_singuname" = ix86-Win; then
  EXEC_EXT=".exe"
fi
AC_SUBST(EXEC_EXT)

SING_UNAME=`echo $SINGUNAME | tr '-' '_' `
AC_SUBST(SING_UNAME)
AC_SUBST(SINGULAR_VERSION)
AC_SUBST(LN_S)


# stupid Win programs do not like dots in their pathnames
VERSION_SEP="-"

dnl llllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll

AC_OUTPUT([$OUTPUT_MAKEFILES])