ENV_CFLAGS=$CFLAGS
CFLAGS=""

AC_PREREQ(2.59)
dnl Update it right before the release since $pkgver_foo are all _post_ release snapshots
AC_INIT([Pacman package manager], 3.0.0, [pacman-dev@archlinux.org], pacman)
AC_LANG(C)
AM_CONFIG_HEADER(config.h)
AC_CANONICAL_SYSTEM
AM_INIT_AUTOMAKE
AM_GNU_GETTEXT([external])
AM_GNU_GETTEXT_VERSION(0.13.1)

dnl Host dependant flags
case "${host}" in
	*-*-cygwin*)
		ENV_CFLAGS="$ENV_CFLAGS -DCYGWIN"
		;;
esac

dnl Define here the libalpm version number
PM_MAJOR_VERSION=0
PM_MINOR_VERSION=1
PM_MICRO_VERSION=0
PM_VERSION=$PM_MAJOR_VERSION.$PM_MINOR_VERSION.$PM_MICRO_VERSION
dnl Needed for libtool to create proper shared lib version
PM_VERSION_INFO=`expr $PM_MAJOR_VERSION + $PM_MINOR_VERSION`:$PM_MICRO_VERSION:$PM_MINOR_VERSION

AC_SUBST(PM_MAJOR_VERSION)
AC_SUBST(PM_MINOR_VERSION)
AC_SUBST(PM_MICRO_VERSION)
AC_SUBST(PM_VERSION)
AC_SUBST(PM_VERSION_INFO)

dnl Put out version numbers to config.h
AC_DEFINE_UNQUOTED([PM_VERSION], ["$PM_VERSION"], [libalpm version number])

dnl Configuration files
dnl AC_CONFIG_FILES([etc/makepkg.conf] [etc/pacman.conf])

AC_PROG_CC
AC_HEADER_STDC
AC_PROG_INSTALL
AC_CHECK_FUNCS([strverscmp])
AM_PROG_LIBTOOL
AM_CONDITIONAL(LINKSTATIC, test "$enable_static" = "yes")

dnl Humor lowers blood pressure
AC_MSG_CHECKING(your blood pressure)
AC_MSG_RESULT([a bit high, but we can proceed])

dnl Help line for man2html
AC_ARG_ENABLE(man2html,
    AC_HELP_STRING([--enable-man2html], [Build html docs via man2html]),
    [wantman2html=$enableval], [wantman2html=no])

dnl Help line for doxygen
AC_ARG_ENABLE(doxygen,
    AC_HELP_STRING([--disable-doxygen], [Build API docs via Doxygen]),
    [wantdoxygen=$enableval], [wantdoxygen=yes])

dnl Check for architecture
case "$host" in
	i686-*) AC_DEFINE_UNQUOTED([CARCH], ["i686"], [Architecture])
		AC_DEFINE_UNQUOTED([CARCHFLAGS], ["i686"], [Architecture])
		AC_DEFINE_UNQUOTED([ARCHSWITCH], ["march"], [Architecture])
		CARCH="i686"
		CARCHFLAGS="i686"
		ARCHSWITCH="march"
		CHOST="${host}"
		;;
	x86_64-*) AC_DEFINE_UNQUOTED([CARCH], ["x86_64"], [Architecture])
		AC_DEFINE_UNQUOTED([CARCHFLAGS], ["x86-64"], [Architecture])
		AC_DEFINE_UNQUOTED([ARCHSWITCH], ["march"], [Architecture])
		CARCH="x86_64"
		CARCHFLAGS="x86-64"
		ARCHSWITCH="march"
		CHOST="${host}"
		;;
	ia64-*) AC_DEFINE_UNQUOTED([CARCH], ["ia64"], [Architecture])
		AC_DEFINE_UNQUOTED([CARCHFLAGS], ["ia64"], [Architecture])
		AC_DEFINE_UNQUOTED([ARCHSWITCH], ["march"], [Architecture])
		CARCH="ia64"
		CARCHFLAGS="ia64"
		ARCHSWITCH="march"
		CHOST="${host}"
		;;
	sparc-*) AC_DEFINE_UNQUOTED([CARCH], ["sparc"], [Architecture])
		AC_DEFINE_UNQUOTED([CARCHFLAGS], ["v9"], [Architecture])
		AC_DEFINE_UNQUOTED([ARCHSWITCH], ["mcpu"], [Architecture])
		CARCH="sparc"
		CARCHFLAGS="v9"
		ARCHSWITCH="mcpu"
		CHOST="${host}"
		;;
	ppc-* | powerpc-*)
		AC_DEFINE_UNQUOTED([CARCH], ["ppc"], [Architecture])
		AC_DEFINE_UNQUOTED([CARCHFLAGS], ["750"], [Architecture])
		AC_DEFINE_UNQUOTED([ARCHSWITCH], ["mcpu"], [Architecture])
		CARCH="ppc"
		CARCHFLAGS="750"
		ARCHSWITCH="mcpu"
		CHOST="${host}"
		;;
	i386-*) AC_DEFINE_UNQUOTED([CARCH], ["i386"], [Architecture])
		AC_DEFINE_UNQUOTED([CARCHFLAGS], ["i386"], [Architecture])
		AC_DEFINE_UNQUOTED([ARCHSWITCH], ["march"], [Architecture])
		CARCH="i386"
		CARCHFLAGS="i386"
		ARCHSWITCH="march"
		CHOST="${host}"
		;;
	*)
		AC_MSG_ERROR([Your architecture is not supported])
		;;
esac

AC_SUBST(CARCH)
AC_SUBST(CARCHFLAGS)
AC_SUBST(ARCHSWITCH)
AC_SUBST(CHOST)

dnl Help line for config file
AC_ARG_WITH(config-file,
    AC_HELP_STRING([  --with-config-file=path], [Set the name and path for pacman's config file]),
    [configfile=$withval], [configfile=/etc/pacman.conf])

dnl Help line for debug
AC_ARG_ENABLE(debug,
    AC_HELP_STRING([--enable-debug], [Enable debugging support]),
    [debug=$enableval], [debug=no])

dnl Help line for fakeroot
AC_ARG_ENABLE(fakeroot,
    AC_HELP_STRING([--disable-fakeroot], [Disable fakeroot proof support]),
    [fakeroot=$enableval], [fakeroot=yes])

dnl Check for man2html binary
AC_MSG_CHECKING(for support man2html)
if test x$wantman2html = xyes ; then
    AC_CHECK_PROGS([MAN2HTML], [man2html])
    AM_CONDITIONAL(HAS_MAN2HTML, test $MAN2HTML)
    if test $MAN2HTML ; then
        AC_DEFINE([HAS_MAN2HTML], [TRUE], [Enabled HTML generation from man via man2html])
	AC_MSG_RESULT(yes)
    else
        AC_DEFINE([HAS_MAN2HTML], [FALSE], [Disabled HTML generation from man via man2html])
	AC_MSG_RESULT(no, man2html missing)
    fi
else
    AM_CONDITIONAL(HAS_MAN2HTML, test $MAN2HTML)
    AC_DEFINE([HAS_MAN2HTML], [FALSE], [Not specified at configure line])
    AC_MSG_RESULT(not requested by configure)
fi

dnl Check for doxygen support
if test x$wantdoxygen = xyes ; then
    AC_CHECK_PROGS([DOXYGEN], [doxygen])
    if test $DOXYGEN ; then
	DOXYSTATUS="yes, path: `which $DOXYGEN`"
    else
	DOXYSTATUS="doxygen binary not found"
    fi
else
    DOXYSTATUS="no, disabled by configure"
fi
AM_CONDITIONAL(HAS_DOXYGEN, test $DOXYGEN)

dnl Check for math
AC_CHECK_LIB([m], [sqrt], [AC_CHECK_HEADER([math.h], [LIBM='-lm'])])
if test -z "$LIBM"; then
    AC_MSG_ERROR("math library needed to compile pacman!");
fi

dnl Check for libarchive
AC_CHECK_LIB([archive], [archive_read_data], [AC_CHECK_HEADER([archive.h], [LIBARCHIVE='-larchive'])])
if test -z "$LIBARCHIVE"; then
    AC_MSG_ERROR("libarchive is needed to compile pacman!");
fi

dnl Check for libdownload
AC_CHECK_LIB([download], [downloadParseURL], [AC_CHECK_HEADER([download.h], [LIBDOWNLOAD='-ldownload'])])
if test -z "$LIBDOWNLOAD"; then
    AC_MSG_ERROR("libdownload is needed to compile pacman!");
fi

dnl Set config location
AC_MSG_CHECKING(for configuration file name)
if test -n "$configfile"; then
    CFLAGS="$CFLAGS -D'PACCONF=\"$configfile\"'"
    AC_MSG_RESULT(["$configfile"])
else
    AC_MSG_ERROR(["pacman config file (--with-config-file is not set"])
fi

dnl Enable or disable debug code
AC_MSG_CHECKING(for debug mode request)
if test "$debug" = "yes" ; then
    AM_CONDITIONAL(PACMAN_DEBUG, test "$debug" = "yes")
	CFLAGS="$CFLAGS -g -Wall -Werror -std=c99 -DPACMAN_DEBUG"
	LDFLAGS="$LDFLAGS -lmcheck"
    AC_MSG_RESULT(yes)
else
    AM_CONDITIONAL(PACMAN_DEBUG, test "$debug" = "no")
	CFLAGS="$CFLAGS -Wall -std=c99"
    AC_MSG_RESULT(no)
fi

dnl Enable or disable fakeroot code
AC_MSG_CHECKING(for fakeroot proof support)
if test "$fakeroot" = "yes" ; then
	AC_MSG_RESULT(yes)
else
	CFLAGS="$CFLAGS -DFAKEROOT"
	AC_MSG_RESULT(no)
fi

dnl ==========================================================================

AC_OUTPUT([
lib/libalpm/Makefile
lib/libalpm/po/Makefile.in
src/pacman/Makefile
src/pacman/po/Makefile.in
src/util/Makefile
scripts/Makefile
doc/Makefile
etc/Makefile
etc/makepkg.conf
etc/pacman.conf
etc/pacman.d/Makefile
etc/pacman.d/mirrorlist
etc/abs/Makefile
Makefile
])

echo "
pacman-$VERSION:

    prefix                   : ${prefix}
    source code location     : ${srcdir}
    compiler                 : ${CC}
    compiler flags           : ${CFLAGS}

    libalpm version          : ${PM_VERSION}
    pacman.conf location     : ${configfile}

    Architecture CARCH       : ${CARCH}
    Architecture used cflag  : ${CARCHFLAGS}
    Architecture CHOST       : ${CHOST}

    Doxygen support          : ${DOXYSTATUS}

    debug support            : ${debug}
"