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dnl
dnl Version stuff
dnl
dnl This macro expands to one of 'git', 'snapshot', or 'release'
m4_define([cairo_release_status],
[m4_if(m4_eval(cairo_version_micro % 2), [1], [git],
[m4_if(m4_eval(cairo_version_minor % 2), [1], [snapshot],
[release])])])
dnl This is the .so/dll number. 2 for cairo-1.x.x
m4_define([cairo_version_sonum], m4_eval(cairo_version_major + 1))
dnl The libtool shared library version stuff
m4_define([cairo_version],
m4_eval(cairo_version_major*10000 + cairo_version_minor*100 + cairo_version_micro))
m4_if(m4_eval(cairo_version_minor % 2), [1],
[
dnl for unstable releases
m4_define([cairo_libtool_revision], 0)
],
[
dnl for stable releases
m4_define([cairo_libtool_revision], cairo_version_micro)
])
m4_define([cairo_libtool_current],
m4_eval(cairo_version_sonum + cairo_version - cairo_libtool_revision))
m4_define([cairo_libtool_age],
m4_eval(cairo_libtool_current - cairo_version_sonum))
CAIRO_VERSION_MAJOR=cairo_version_major
CAIRO_VERSION_MINOR=cairo_version_minor
CAIRO_VERSION_MICRO=cairo_version_micro
CAIRO_VERSION_SONUM=cairo_version_sonum
CAIRO_RELEASE_STATUS=cairo_release_status
CAIRO_LIBTOOL_VERSION_INFO=cairo_libtool_current:cairo_libtool_revision:cairo_libtool_age
AC_SUBST(CAIRO_VERSION_MAJOR)
AC_SUBST(CAIRO_VERSION_MINOR)
AC_SUBST(CAIRO_VERSION_MICRO)
AC_SUBST(CAIRO_VERSION_SONUM)
AC_SUBST(CAIRO_RELEASE_STATUS)
AC_SUBST(CAIRO_LIBTOOL_VERSION_INFO)
dnl Disable autoconf's version macros. We try hard to not rebuild the entire
dnl library just because version changed. The PACKAGE_VERSION* stuff in
dnl config.h is negating all the effort.
AC_DEFINE(PACKAGE_VERSION, [USE_cairo_version_OR_cairo_version_string_INSTEAD])
AC_DEFINE(PACKAGE_STRING, [USE_cairo_version_OR_cairo_version_string_INSTEAD])
AC_DEFINE(PACKAGE_NAME, [USE_cairo_INSTEAD])
AC_DEFINE(PACKAGE_TARNAME, [USE_cairo_INSTEAD])
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