dnl Process this file with autoconf to produce a configure script.
AC_INIT(src/java/org/greenstone/gsdl3/Library1.java)
AC_CONFIG_HEADER(config.h)

PACKAGE=gsdl3
VERSION=0.1
AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", Define to the name of the distribution.)
AC_DEFINE_UNQUOTED(VERSION, "$VERSION", Define to the version of the distribution.)
AC_SUBST(PACKAGE)
AC_SUBST(VERSION)

AC_DEFINE(PROTOTYPES, 1, Define to 1 if ANSI function prototypes are usable.)

dnl Checks for programs.
LDFLAGS=
dnl only set CFLAGS if not already set in environment
if test -z "$CFLAGS"; then
CFLAGS=-O2
fi
AC_SUBST(CFLAGS)

AC_PROG_CC
AC_PROG_CXX
AC_PROG_AWK
AC_PROG_YACC
dnl get $target_cpu, $target_vendor, and $target_os
dnl (as well as host_*)
AC_CANONICAL_SYSTEM
dnl do we actually want this? It adds a prefix based on host, system etc
dnl AC_ARG_PROGRAM
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_PROG_RANLIB

dnl Checks for typedefs, structures, and compiler characteristics.
AC_AIX
AC_ISC_POSIX
AC_MINIX
fp_C_PROTOTYPES
AC_C_CONST
AC_TYPE_OFF_T
AC_TYPE_SIZE_T
AC_HEADER_TIME
AC_STRUCT_TM

dnl --- This should be in the stdc checking -----------------
if test "$ac_cv_prog_cc_stdc" = '-Xc'; then
dnl The Pyramids running SMP_DC.OSx on MIPS r3000 chips with
dnl /usr/opt/cc3.11/bin/cc treat -Xc as full ANSI mode - no POSIX or
dnl XOPEN extensions (like popen).
dnl Unfortunately -D_{XOPEN,POSIX}_SOURCE can't provide all that mg
dnl needs. So drop back to -Xa
AC_TRY_COMPILE(
[#include <stdio.h>
], [ FILE *rubbish = popen("yes", "r"); ],,
[CC="`echo $CC | sed 's/-Xc/-Xa/'`"    ac_cv_prog_cc_stdc='-Xa'])
fi
dnl ----------------------


dnl Checks for libraries.
dnl Replace `main' with a function in -lg:
AC_CHECK_LIB(g, main)
dnl Replace `main' with a function in -lm:
AC_CHECK_LIB(m, main)
dnl Replace `main' with a function in -lstdc++:
AC_CHECK_LIB(stdc++, main)
dnl Replace `main' with a function in -lcrypt:
AC_CHECK_LIB(crypt, main)

dnl Checks for header files.
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_CHECK_HEADERS(fcntl.h limits.h sys/time.h unistd.h crypt.h string.h memory.h sys/procfs.h)
AC_EGREP_HEADER(fread, stdio.h, AC_DEFINE(HAVE_FREAD_DECL, 1, Some braindead header files do not have the requ'd function declarations))
AC_EGREP_HEADER(fgetc, stdio.h, AC_DEFINE(HAVE_FGETC_DECL, 1, Some braindead header files do not have the requ'd function declarations))
AC_EGREP_HEADER(pr_brksize, sys/procfs.h, AC_DEFINE(HAVE_PR_BRKSIZE, 1, See if have this field in the prstatus_t structure. It stores the size of the process heap))

dnl Checks for library functions.
AC_FUNC_ALLOCA
AC_PROG_GCC_TRADITIONAL
AC_TYPE_SIGNAL
AC_FUNC_VPRINTF
AC_CHECK_FUNCS(ftime select strftime strtol getrusage times mallinfo setbuffer getpagesize strerror)
AC_REPLACE_FUNCS(ftruncate strstr strcasecmp)

dnl see if gettext is in libc. (try the textdomain() function).

AC_CHECK_FUNC( textdomain, AC_DEFINE(ENABLE_NLS,1, Define if you have gettext (eg glibc)) )

dnl
dnl Switch into C++
dnl
AC_LANG_CPLUSPLUS

dnl
dnl Check if the STL library has any known faults;
dnl In GCC 2.7.2.x series, some STL library headers are missing
dnl a file called "new" which is referred to by other headers
dnl (eg. vector/vector.h); if this applies, then all use of the
dnl STL will cause a compile fail, so we'd better let the user
dnl know now, before things really go wrong!
dnl
success=no
AC_MSG_CHECKING("whether STL library has known faults")

dnl - first shot, try simple good old vector on its own
AC_TRY_COMPILE(
[#include <vector>
], 
[],
success=yes,
)

dnl - try using the .h equivalent
if test $success = "no"; then
AC_TRY_COMPILE(
[#include <vector.h>
], 
[],
success="yes",
)
fi

dnl - now try for the objectspace headers
if test $success = "no"; then
AC_TRY_COMPILE(
[#include <ospace\\std\\vector>
], 
[],
success="yes",
)
fi

if test $success = yes; then
AC_MSG_RESULT("no")
else
AC_MSG_RESULT("yes")
AC_MSG_ERROR("STL Broken - Obtain newer version of GNU C Compiler")
fi

gsdlos=`uname | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`
# check for running bash under cygwin
 if test "`echo $gsdlos | sed 's/cygwin//'`" != "$gsdlos" ;
 then
  gsdlos=windows
 fi
AC_SUBST(gsdlos)

# ---------------------------------------------------------------------------
dnl for Darwin, as our packages don't (yet) correctly guess our system type.
ac_configure_args="$ac_configure_args --host=$host --target=$target"
AC_CONFIG_SUBDIRS(packages)

AC_OUTPUT(packages/Makefile docs/Makefile src/java/Makefile Makefile)

echo "-------------------------------------"
echo "Greenstone 3 successfully configured."
echo ""