AC_PREREQ([2.63])
dnl To do a release, increment this number, commit, then submit it as a PR
dnl to merge via homu.  After that, do `git pull origin && git reset --hard origin/master`.
dnl Then draft release notes highlighting changes and generate the shortlog using
dnl <https://github.com/cgwalters/homegit/blob/master/bin/git-shortlog-with-prs>.
dnl Then use <https://github.com/cgwalters/git-evtag> to create a signed tag with the
dnl release notes as its content.
dnl Then, git push origin v201X.XX
m4_define([year_version], [2018])
m4_define([release_version], [6])
m4_define([package_version], [year_version.release_version])
AC_INIT([rpm-ostree], [package_version], [atomic-devel@projectatomic.io])
AC_CONFIG_HEADER([config.h])
AC_CONFIG_MACRO_DIR([buildutil])
AC_CONFIG_AUX_DIR([build-aux])
dnl Versioning information
AC_SUBST([YEAR_VERSION], [year_version])
AC_SUBST([RELEASE_VERSION], [release_version])
AC_SUBST([PACKAGE_VERSION], [package_version])

AM_INIT_AUTOMAKE([1.11 -Wno-portability foreign no-define tar-ustar no-dist-gzip dist-xz subdir-objects])
AM_MAINTAINER_MODE([enable])
AM_SILENT_RULES([yes])
AC_USE_SYSTEM_EXTENSIONS
AC_SYS_LARGEFILE

AC_PROG_CC
AM_PROG_CC_C_O

# dbus system dir
AC_MSG_CHECKING(for dbus system services directory)
if test "$enable_prefix_only" = "yes"; then
  dbusservicedir='${datadir}/dbus-1/system-services'
else
  dbusservicedir='${datadir}/dbus-1/system-services'
  if test "$dbusservicedir" = ""; then
    AC_MSG_ERROR(Couldn't find dbus services directory. Try installing dbus-devel)
  fi
fi
AC_SUBST([dbusservicedir], [$dbusservicedir])
AC_MSG_RESULT(dbusservicedir)

dnl Keep this in sync with the version in ostree
AS_IF([echo "$CFLAGS" | grep -q -E -e '-Werror($| )'], [], [
CC_CHECK_FLAGS_APPEND([WARN_CFLAGS], [CFLAGS], [\
  -pipe \
  -Wall \
  -Werror=empty-body \
  -Werror=strict-prototypes \
  -Werror=missing-prototypes \
  -Werror=implicit-function-declaration \
  "-Werror=format=2 -Werror=format-security -Werror=format-nonliteral" \
  -Werror=pointer-arith -Werror=init-self \
  -Werror=missing-declarations \
  -Werror=return-type \
  -Werror=switch \
  -Werror=overflow \
  -Werror=int-conversion \
  -Werror=parenthesis \
  -Werror=undef \
  -Werror=incompatible-pointer-types \
  -Werror=misleading-indentation \
  -Werror=missing-include-dirs -Werror=aggregate-return \
  -Wstrict-aliasing=2 \
  -Werror=unused-result \
])])
AC_SUBST(WARN_CFLAGS)

AC_MSG_CHECKING([for -fsanitize=address in CFLAGS])
if echo $CFLAGS | grep -q -e -fsanitize=address; then
AC_MSG_RESULT([yes])
using_asan=yes
else
AC_MSG_RESULT([no])
fi
AM_CONDITIONAL(BUILDOPT_ASAN, [test x$using_asan = xyes])

# Initialize libtool
LT_PREREQ([2.2.4])
LT_INIT([disable-static])

RPM_OSTREE_FEATURES=""
AC_SUBST([RPM_OSTREE_FEATURES])

PKG_PROG_PKG_CONFIG

save_LIBS="$LIBS"
LIBS=
AC_SEARCH_LIBS([cap_init], [cap], [], [AC_MSG_ERROR([*** POSIX caps library not found])])
CAP_LIBS="$LIBS"
AC_SUBST(CAP_LIBS)
LIBS="$save_LIBS"

# Remember to update AM_CPPFLAGS in Makefile.am when bumping GIO req.
PKG_CHECK_MODULES(PKGDEP_GIO_UNIX, [gio-unix-2.0])
PKG_CHECK_MODULES(PKGDEP_RPMOSTREE, [gio-unix-2.0 >= 2.50.0 json-glib-1.0
				     ostree-1 >= 2018.2
				     libsystemd
				     polkit-gobject-1
				     rpm librepo libsolv
				     libarchive])
dnl bundled libdnf
PKGDEP_RPMOSTREE_CFLAGS="-I $(pwd)/libdnf -I $(pwd)/libdnf-build $PKGDEP_RPMOSTREE_CFLAGS"
PKGDEP_RPMOSTREE_LIBS="-L$(pwd)/libdnf-build/libdnf -ldnf $PKGDEP_RPMOSTREE_LIBS"

dnl This is the current version in Fedora 25.
AS_IF([pkg-config --atleast-version=4.13.0.1 rpm], [
  have_modern_rpm=true
  AC_DEFINE([BUILDOPT_HAVE_RPMSQ_SET_INTERRUPT_SAFETY], 1, [Set to 1 if we have interrupt safety API])
  AC_DEFINE([BUILDOPT_HAVE_RPM_FILETRIGGERS], 1, [Set to 1 if we have file triggers])
  AC_DEFINE([BUILDOPT_HAVE_RPMFILES], 1, [Set to 1 if we have rpmfiles API])
], [have_modern_rpm=false])

AC_PATH_PROG([XSLTPROC], [xsltproc])

dnl This was painful to figure out; it's sad that Automake's
dnl python support doesn't do a better job of optionally supporting
dnl both 2 and 3.  Anyways the logic here is: Honor $PYTHON if set
dnl uncondionally, otherwise try python3 if it appears to be available
dnl first, then fall back to 2.
dnl Recommendation is explicit PYTHON=python3 ./configure ...
AS_IF([test -z "$PYTHON"], [
  AS_IF([test -x /usr/bin/python3], [
    AM_PATH_PYTHON([3.6])
  ], [
    AM_PATH_PYTHON([2.7])
  ])
])
dnl http://maemo.org/maemo_training_material/maemo4.x/html/maemo_Application_Development_Chinook/Chapter_05_GNU_Autotools.html
dnl incorrectly says the quoted ']' is @>:@ (...crying...)
pyver=$($PYTHON -c "import sys; sys.stdout.write(sys.version @<:@ :3 @:>@ )")

GLIB_TESTS
LIBGLNX_CONFIGURE

AC_CHECK_TOOL(GPERF, gperf)
AS_IF([test -z "$GPERF"],
  AC_MSG_ERROR([*** gperf not found])
)
dnl stolen from https://github.com/systemd/systemd/commit/c9f7b4d
GPERF_TEST="$(echo foo,bar | ${GPERF} -L ANSI-C)"
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([
#include <string.h>
const char * in_word_set(const char *, size_t);
$GPERF_TEST]
)],
[GPERF_LEN_TYPE=size_t],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([
#include <string.h>
const char * in_word_set(const char *, unsigned);
$GPERF_TEST]
)],
[GPERF_LEN_TYPE=unsigned],
[AC_MSG_ERROR([** unable to determine gperf len type])]
)]
)
AC_DEFINE_UNQUOTED([GPERF_LEN_TYPE], [$GPERF_LEN_TYPE], [gperf len type])

m4_ifdef([GOBJECT_INTROSPECTION_CHECK], [
  GOBJECT_INTROSPECTION_CHECK([1.34.0])
])
AM_CONDITIONAL(BUILDOPT_INTROSPECTION, test "x$found_introspection" = xyes)

m4_ifdef([GTK_DOC_CHECK], [
GTK_DOC_CHECK([1.15], [--flavour no-tmpl])
],[
AM_CONDITIONAL([ENABLE_GTK_DOC],[false])
])

AC_ARG_ENABLE(installed_tests,
              AS_HELP_STRING([--enable-installed-tests],
                             [Install test programs (default: no)]),,
              [enable_installed_tests=no])
AM_CONDITIONAL(BUILDOPT_INSTALL_TESTS, test x$enable_installed_tests = xyes)

AC_ARG_ENABLE(new-name,
              AS_HELP_STRING([--enable-new-name],
                             [Install additionally as nts (default: no)]),,
              [enable_new_name=no])
AM_CONDITIONAL(BUILDOPT_NEW_NAME, test x$enable_new_name = xyes)

AC_ARG_WITH(bubblewrap,
              AS_HELP_STRING([--with-bubblewrap],
                             [Path to bubblewrap binary (default: /usr/bin/bwrap)]),,
              [with_bubblewrap=/usr/bin/bwrap])
AC_DEFINE_UNQUOTED(WITH_BUBBLEWRAP_PATH, ["$with_bubblewrap"], [Define to bubblewrap path])

dnl Some distributions may want to support the client tooling, but not
dnl the server side.
AC_ARG_ENABLE(compose-tooling,
              AS_HELP_STRING([--enable-compose-tooling],
                             [Build compose tooling]),,
              [enable_compose_tooling=yes])
AM_CONDITIONAL(BUILDOPT_COMPOSE_TOOLING, [test x$enable_compose_tooling = xyes])
AS_IF([test x$enable_compose_tooling = xyes], [
    AC_DEFINE(HAVE_COMPOSE_TOOLING, 1, [Define if we are building compose tooling])
])
if test x$enable_compose_tooling != xno; then RPM_OSTREE_FEATURES="$RPM_OSTREE_FEATURES compose"; fi

AC_ARG_ENABLE(rust,
              AS_HELP_STRING([--enable-rust],
                             [Compile Rust features (e.g. compose tree --yaml)]),,
              [enable_rust=no; rust_debug_release=no])

AS_IF([test x$enable_rust = xyes], [
    AC_PATH_PROG([cargo], [cargo])
    AS_IF([test -z "$cargo"], [AC_MSG_ERROR([cargo is required for --enable-rust])])
    AC_PATH_PROG([rustc], [rustc])
    AS_IF([test -z "$rustc"], [AC_MSG_ERROR([rustc is required for --enable-rust])])
    AC_DEFINE(HAVE_RUST, 1, [Define if we are building with Rust])

   dnl These bits based on gnome:librsvg/configure.ac

   dnl By default, we build in public release mode.
   AC_ARG_ENABLE(rust-debug,
      AC_HELP_STRING([--enable-rust-debug],
       [Build Rust code with debugging information [default=no]]),
       [rust_debug_release=$enableval],
       [rust_debug_release=release])

   AC_MSG_CHECKING(whether to build Rust code with debugging information)
   if test "x$rust_debug_release" = "xyes" ; then
      rust_debug_release=debug
      AC_MSG_RESULT(yes)
   else
      AC_MSG_RESULT(no)
   fi
   RUST_TARGET_SUBDIR=${rust_debug_release}
   AC_SUBST([RUST_TARGET_SUBDIR])
])
AM_CONDITIONAL(RUST_DEBUG, [test "x$rust_debug_release" = "xdebug"])
AM_CONDITIONAL(ENABLE_RUST, [test x$enable_rust = xyes])
if test x$enable_rust != xno; then RPM_OSTREE_FEATURES="$RPM_OSTREE_FEATURES rust"; fi

dnl Try to automatically determine cmake type from CFLAGS
if $(echo $CFLAGS |grep -q -E "(-O0|-Og)"); then
  cmake_args="-DCMAKE_BUILD_TYPE=Debug"
  export cmake_args
else
  cmake_args=-DCMAKE_BUILD_TYPE=RelWithDebugInfo
  export cmake_args
fi

case "${pyver}" in
  2.*) cmake_args="${cmake_args} -DPYTHON_DESIRED:str=2";;
  3.*) cmake_args="${cmake_args} -DPYTHON_DESIRED:str=3";;
  *) AC_MSG_ERROR([unexpected \$pyver $pyver]);;
esac

dnl I picked /usr/libexec/rpm-ostree just because we need an
dnl arbitrary path - we don't actually install there.
(set -euo pipefail; mkdir -p libdnf-build && cd libdnf-build &&
 set -x && 
 cmake \
     -DCMAKE_INSTALL_PREFIX:PATH=/usr/libexec/rpm-ostree \
     -DINCLUDE_INSTALL_DIR:PATH=/usr/libexec/rpm-ostree/include \
     -DLIB_INSTALL_DIR:PATH=/usr/libexec/rpm-ostree \
     -DSYSCONF_INSTALL_DIR:PATH=/usr/libexec/rpm-ostree/etc \
     -DSHARE_INSTALL_PREFIX:PATH=/usr/libexec/rpm-ostree/share \
     -DBUILD_SHARED_LIBS:BOOL=ON \
     -DWITH_SWDB:BOOL=0 \
     -DWITH_HTML:BOOL=0 \
     -DWITH_MAN:BOOL=0 \
     ${cmake_args} ../libdnf) || exit 1

AC_CONFIG_FILES([
Makefile
api-doc/Makefile
src/lib/rpm-ostree-1.pc
src/lib/rpmostree-version.h
])
AC_OUTPUT

echo "
    $PACKAGE $VERSION

    built with modern RPM (e.g. Fedora 25+): $have_modern_rpm
    nts name:                                $enable_new_name
    compose tooling:                         $enable_compose_tooling
    introspection:                           $found_introspection
    bubblewrap:                              $with_bubblewrap
    gtk-doc:                                 $enable_gtk_doc
    python:                                  $PYTHON $pyver
    rust:                                    $enable_rust
"