dnl
dnl $Id$
dnl --------------------------------------------------------------------------
dnl This file performs setup of GNU-style makefiles.
dnl

AC_INIT([arj])
AC_PREREQ(2.53)
AC_CONFIG_SRCDIR([../arj.c])

dnl Installation script (let it be, temporarily...)
AC_PROG_INSTALL([e:/os2apps/autoconf/install-sh])

dnl Configuration parameters
AC_CONFIG_HEADER([../c_defs.h:config.h.in])

dnl Checks for the canonical system name
AC_CANONICAL_HOST

dnl Checks for programs.
AC_PROG_CC

dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([fcntl.h limits.h malloc.h])

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_STRUCT_TM
AC_C_BIGENDIAN

dnl Checks for library functions.
AC_PROG_GCC_TRADITIONAL
AC_FUNC_MEMCMP
AC_FUNC_SETVBUF_REVERSED
AC_TYPE_SIGNAL
AC_FUNC_VPRINTF
AC_CHECK_FUNCS([getcwd min max mkdir mkdtemp rmdir fcloseall strcasecmp setpriority strdup strerror strstr strupr strlwr strtol strtoul])

dnl Platform-specific tuning
PROG_EXT=
DLL_EXT=".so"
DLL_FLAGS="-shared"
REQUIRES_DEF=
OS_ID="UNIX"
OS_DEF="-D_UNIX"
DLL_CFLAGS="-fPIC"

case $host_os in
linux*)
	AC_DEFINE(ELF_EXECUTABLES, 1, [Define if executables use ELF format])
        DYN_LIBS="-ldl"
        LD_STRIP="gnu/stripgcc.lnk"
	;;
*bsd*)
	AC_DEFINE(ELF_EXECUTABLES)
        DLL_FLAGS="-shared -export-dynamic"
        LD_STRIP="gnu/stripgcc.lnk"
	;;
*qnx*)
	AC_DEFINE(ELF_EXECUTABLES)
        DLL_FLAGS="-shared -fPIC"
        DLL_CFLAGS="-shared -fPIC"
        LD_STRIP="gnu/stripgcc.lnk"
	;;
*solaris*)
	AC_DEFINE(ELF_EXECUTABLES)
        CFLAGS="-DSUNOS -D_UNIX"
        DLL_FLAGS="-shared -fPIC"
        DLL_CFLAGS="-shared -fPIC"
        LD_STRIP="gnu/stripgcc.lnk"
	;;
os2*)
	PROG_EXT=".exe"
	DLL_EXT=".dll"
	LDFLAGS="-s"
	DLL_FLAGS="-Zdll -s"
        DLL_CFLAGS=""
	REQUIRES_DEF=1
	OS_ID="OS2"
	OS_DEF="-D_OS2"
	;;
esac

case $host_cpu in
alpha*)
	AC_DEFINE(ALIGN_POINTERS)
	;;
sparc*)
	AC_DEFINE(ALIGN_POINTERS)
	;;
ia64*)
	AC_DEFINE(ALIGN_POINTERS)
	;;
arm*)
	AC_DEFINE(ALIGN_POINTERS)
	;;
hppa*)
	AC_DEFINE(ALIGN_POINTERS)
	;;
esac

dnl Registration wizard is named "arj-register" under UNIX-like platforms, to
dnl give it a unique name

case $host_os in
os2*)
	REGISTER=register
	;;
*)
	REGISTER=arj-register
esac

dnl Initial setup

test -z "$CONFIG_SHELL" && CONFIG_SHELL=/bin/sh
AC_SUBST(CONFIG_SHELL)

AC_MSG_CHECKING([if dynamic C library may be used])
AC_ARG_ENABLE(libc,
[  --disable-libc          Disable linking with dynamic C library],
	[enable_libc=no],
	[enable_libc=yes
	 case $host_os in
	 os2*)
		LDFLAGS="-Zcrtdll $LDFLAGS"
		DLL_FLAGS="-Zcrtdll $DLL_FLAGS"
	 esac
	])
AC_MSG_RESULT($enable_libc)
test "$enable_libc" != "no" && AC_DEFINE(LIBC, 1, [Define if dynamic C library may be used])

AC_MSG_CHECKING([if SFX executables may be packed])
AC_ARG_ENABLE(packsfx,
[  --disable-packsfx       Force disable packing of SFX modules],
	[packsfx=no],
	[packsfx=yes])
AC_MSG_RESULT($packsfx)
test "$packsfx" != "yes" && AC_DEFINE(NP_SFX, 1, [Define if SFX executables may be packed])

AC_MSG_CHECKING([what to use as a dedicated output directory])
AC_ARG_ENABLE(outdir,
[  --enable-outdir         Specify a dedicated output directory],
	[OUT_DIR=$enableval],
	[OUT_DIR=$host_os])
AC_MSG_RESULT($OUT_DIR)
AC_SUBST(OUT_DIR)

AC_MSG_CHECKING([fnmatch() tolerance to incomplete patterns acting as filenames])
AC_RUN_IFELSE([
#include <fnmatch.h>
int main()
{
 return(fnmatch("@<:@", "@<:@", 0)); /* Must return 0 for a valid match */
}
], [TOLERANT_FNMATCH=yes], [TOLERANT_FNMATCH=no], [TOLERANT_FNMATCH=cross])
if test x$TOLERANT_FNMATCH = xyes ; then
  AC_DEFINE(TOLERANT_FNMATCH, 1, [Trust fnmatch() when supplying incomplete patterns])
fi
AC_MSG_RESULT([$TOLERANT_FNMATCH])

dnl Experimental feature(s)
AC_MSG_CHECKING([if color output is demanded])
AC_ARG_ENABLE(color-output,
[  --enable-color-output   Enable JAR-style color output (EXPERIMENTAL)],
        [color_output=yes],
        [color_output=no])
AC_MSG_RESULT($color_output)
test "$color_output" = "yes" && AC_DEFINE(USE_COLORS)

AC_SUBST(HAVE_MKDTEMP)
AC_SUBST(HAVE_FCLOSEALL)
AC_SUBST(HAVE_STRCASECMP)
AC_SUBST(HAVE_SETPRIORITY)
AC_SUBST(HAVE_STRUPR)
AC_SUBST(HAVE_STRLWR)

AC_SUBST(PROG_EXT)
AC_SUBST(DLL_EXT)
AC_SUBST(DLL_FLAGS)
AC_SUBST(DLL_CFLAGS)
AC_SUBST(REQUIRES_DEF)
AC_SUBST(OS_ID)
AC_SUBST(OS_DEF)
AC_SUBST(LIBS)
AC_SUBST(DYN_LIBS)
AC_SUBST(LD_STRIP)
AC_SUBST(REGISTER)
AC_SUBST(TOLERANT_FNMATCH)

AC_CONFIG_FILES([../Makefile.gnu:makefile.in])
AC_OUTPUT