AC_INIT(README)
AC_CANONICAL_SYSTEM

AM_CONFIG_HEADER(config.h)
AM_INIT_AUTOMAKE(eglib,0.3)
AM_MAINTAINER_MODE

AC_PROG_CC
AM_PROG_LIBTOOL
# Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
DOLT
CFLAGS="$CFLAGS -O0"
GNUC_PRETTY=
GNUC_UNUSED=
BREAKPOINT="G_STMT_START { raise (SIGTRAP); } G_STMT_END"
if test x$GCC = xyes; then
   GNUC_UNUSED='__attribute__((__unused__))'
   GNUC_NORETURN='__attribute__((__noreturn__))'
   case $host_cpu in
     i*86|x86_64) BREAKPOINT="G_STMT_START { __asm__ (\"int \$03\"); } G_STMT_END" ;;
   esac
fi
AC_SUBST(GNUC_PRETTY)
AC_SUBST(GNUC_UNUSED)
AC_SUBST(GNUC_NORETURN)
AC_SUBST(BREAKPOINT)

# We use a separate variable to pass down CPPFLAGS and CFLAGS from the main mono 
# configure, because of autoconf brokeness
if test "x$CPPFLAGS_FOR_EGLIB" != "x"; then
   CPPFLAGS=$CPPFLAGS_FOR_EGLIB
fi
if test "x$CFLAGS_FOR_EGLIB" != "x"; then
   CFLAGS=$CFLAGS_FOR_EGLIB
fi

CFLAGS="$CFLAGS -g -D_GNU_SOURCE"

AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
AC_C_BIGENDIAN([ORDER=G_BIG_ENDIAN],[ORDER=G_LITTLE_ENDIAN])

platform_darwin=no

case $host in
*-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-cygwin* | *-*-windows*)
    PATHSEP='\\'
    SEARCHSEP=';'
    OS="WIN32"
    PIDTYPE='void *'
    ;;
*-*darwin*)
    platform_darwin=yes
    PATHSEP='/'
    SEARCHSEP=':'
    OS="UNIX"
    PIDTYPE='int'
    ;;
*)
    PATHSEP='/'
    SEARCHSEP=':'
    OS="UNIX"
    PIDTYPE='int'
    ;;
esac

case $host in
	*-*-solaris*)
	CFLAGS="$CFLAGS -D_POSIX_PTHREAD_SEMANTICS"
	;;
esac

case $target in
arm*-darwin*)
    CFLAGS="$CFLAGS -U_FORTIFY_SOURCE"
    ;;
i*86-*-darwin*)
    ORDER=G_LITTLE_ENDIAN
    ;;
*-*-openbsd*)
    CFLAGS="$CFLAGS -pthread"
    LDFLAGS="$LDFLAGS -pthread"
    ;;
esac

AC_SUBST(ORDER)
AC_SUBST(CFLAGS)
AC_SUBST(PATHSEP)
AC_SUBST(SEARCHSEP)
AC_SUBST(OS)
AC_SUBST(PIDTYPE)
AM_CONDITIONAL(HOST_WIN32, test x$OS = xWIN32)
AM_CONDITIONAL(TARGET_WIN32, test x$OS = xWIN32)
AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)

AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(void *)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(long long)
AC_CHECK_FUNCS(strndup strlcpy getpwuid_r strtok_r rewinddir vasprintf)
AM_CONDITIONAL(NEED_VASPRINTF, test x$have_vasprintf = x )
AC_CHECK_LIB(iconv, iconv_open, LIBS="$LIBS -liconv")
AC_CHECK_LIB(iconv, libiconv_open, LIBS="$LIBS -liconv")
AC_CHECK_LIB(iconv, iconv_open, ICONV_LIBS="-liconv")
AC_CHECK_LIB(iconv, libiconv_open, ICONV_LIBS="-liconv")
AC_SUBST(ICONV_LIBS)
LIBS="$LIBS $ICONV_LIBS"
AC_SEARCH_LIBS(sqrtf, m)

# nanosleep may not be part of libc, also search it in other libraries
AC_SEARCH_LIBS(nanosleep, rt)

AC_SEARCH_LIBS(dlopen, dl)
old_ldflags="${LDFLAGS}"
LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
AC_TRY_LINK(, [int i;], found_export_dynamic=yes, found_export_dynamic=no)
if test $found_export_dynamic = no; then
	LDFLAGS="${old_ldflags}"
fi

AC_MSG_CHECKING(for varargs macros)
AC_TRY_COMPILE([],[
int foo (int i, int j);
#define bar(...) foo (1, __VA_ARGS__)
void main () {
	 bar (2);
}
],have_iso_varargs=yes,have_iso_varargs=no)
AC_MSG_RESULT($have_iso_varargs)
G_HAVE_ISO_VARARGS=0
if test "x$have_iso_varargs" = "xyes"; then
   G_HAVE_ISO_VARARGS=1
fi
AC_SUBST(G_HAVE_ISO_VARARGS)

AC_CHECK_HEADERS(getopt.h sys/time.h sys/wait.h pwd.h langinfo.h iconv.h localcharset.h sys/types.h)
AC_CHECK_HEADER(alloca.h, [HAVE_ALLOCA_H=1], [HAVE_ALLOCA_H=0])
AC_SUBST(HAVE_ALLOCA_H)

if test $ac_cv_sizeof_void_p = $ac_cv_sizeof_int; then
   GPOINTER_TO_INT="((gint) (ptr))"
   GPOINTER_TO_UINT="((guint) (ptr))"
   GINT_TO_POINTER="((gpointer) (v))"
   GUINT_TO_POINTER="((gpointer) (v))"
   GSIZE="int"
   GSIZE_FORMAT='"u"'
   G_GUINT64_FORMAT='"llu"'
   G_GINT64_FORMAT='"lld"'
elif test $ac_cv_sizeof_void_p = $ac_cv_sizeof_long; then
   GPOINTER_TO_INT="((gint)(long) (ptr))"
   GPOINTER_TO_UINT="((guint)(long) (ptr))"
   GINT_TO_POINTER="((gpointer)(glong) (v))"
   GUINT_TO_POINTER="((gpointer)(gulong) (v))"
   GSIZE="long"
   GSIZE_FORMAT='"lu"'
   G_GUINT64_FORMAT='"lu"'
   G_GINT64_FORMAT='"ld"'
elif test $ac_cv_sizeof_void_p = $ac_cv_sizeof_long_long; then
   GPOINTER_TO_INT="((gint)(long long) (ptr))"
   GPOINTER_TO_UINT="((guint)(unsigned long long) (ptr))"
   GINT_TO_POINTER="((gpointer)(long long) (v))"
   GUINT_TO_POINTER="((gpointer)(unsigned long long) (v))"
   GSIZE="long long"
   GSIZE_FORMAT='"I64u"'
   G_GUINT64_FORMAT='"I64u"'
   G_GINT64_FORMAT='"I64i"'
else
   AC_MSG_ERROR([unsupported pointer size])
fi

AC_PATH_PROG(PKG_CONFIG, pkg-config, no)

pkg_config_path=
AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
	if test x$with_crosspkgdir = "x"; then
		if test -s $PKG_CONFIG_PATH; then
			pkg_config_path=$PKG_CONFIG_PATH
		fi
	else
		pkg_config_path=$with_crosspkgdir
		PKG_CONFIG_PATH=$pkg_config_path
		export PKG_CONFIG_PATH
	fi
)

dnl
dnl No, you can not replace the call below with a pkg.m4 macro
dnl
have_glib=false
if test "x$PKG_CONFIG" != "xno"; then
    if $PKG_CONFIG --atleast-version=$GLIB_REQUIRED_VERSION glib-2.0; then
        have_glib=true;
    else
        have_glib=false;
    fi
fi
AM_CONDITIONAL(HAVE_GLIB, $have_glib)

AC_ARG_ENABLE(quiet-build, [  --enable-quiet-build  Enable quiet runtime build (on by default)], enable_quiet_build=$enableval, enable_quiet_build=yes)
AC_SUBST(GPOINTER_TO_INT)
AC_SUBST(GPOINTER_TO_UINT)
AC_SUBST(GINT_TO_POINTER)
AC_SUBST(GUINT_TO_POINTER)
AC_SUBST(GSIZE)
AC_SUBST(GSIZE_FORMAT)
AC_SUBST(G_GUINT64_FORMAT)
AC_SUBST(G_GINT64_FORMAT)

if test x$enable_quiet_build = xyes; then
   AC_CONFIG_COMMANDS([quiet], [for i in `find src test -name Makefile.in | sed -e 's/Makefile.in/Makefile/g'`; do if test -f $i; then $srcdir/../scripts/patch-quiet.sh $i; fi; done], [shell=$SHELL])
   AC_CONFIG_COMMANDS([quiet-libtool], [sed -e 's/$echo "copying selected/$show "copying selected/g' < libtool > libtool.tmp && mv libtool.tmp libtool && chmod a+x libtool; sed -e 's/$ECHO "copying selected/# "copying selected/g' < libtool > libtool.tmp && mv libtool.tmp libtool && chmod a+x libtool])
fi

AC_OUTPUT([
Makefile
src/Makefile
src/eglib-config.h
test/Makefile
])