diff options
| -rw-r--r-- | xorg-macros.m4.in | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/xorg-macros.m4.in b/xorg-macros.m4.in index a5ce5e0..2d24bbc 100644 --- a/xorg-macros.m4.in +++ b/xorg-macros.m4.in @@ -304,6 +304,57 @@ AC_SUBST(MAKE_PDF) AC_SUBST(MAKE_HTML) ]) # XORG_CHECK_DOCBOOK +# XORG_WITH_XMLTO +# ---------------- +# Minimum version: 1.5.0 +# +# Documentation tools are not always available on all platforms and sometimes +# not at the appropriate level. This macro enables a module to test for the +# presence of the tool and obtain it's path in separate variables. Coupled with +# the --with-xmlto option, it allows maximum flexibilty in making decisions +# as whether or not to use the xmlto package. +# +# Interface to module: +# HAVE_XMLTO: used in makefiles to conditionally generate documentation +# XMLTO: returns the path of the xmlto program found +# returns the path set by the user in the environment +# --with-xmlto: 'yes' user instructs the module to use xmlto +# 'no' user instructs the module not to use xmlto +# +# If the user sets the value of XMLTO, AC_PATH_PROG skips testing the path. +# +AC_DEFUN([XORG_WITH_XMLTO],[ +AC_ARG_VAR([XMLTO], [Path to xmlto command]) +AC_ARG_WITH(xmlto, + AS_HELP_STRING([--with-xmlto], + [Use xmlto to regenerate documentation (default: yes, if installed)]), + [use_xmlto=$withval], [use_xmlto=auto]) + +if test "x$use_xmlto" = x"auto"; then + AC_PATH_PROG([XMLTO], [xmlto]) + if test "x$XMLTO" = "x"; then + AC_MSG_WARN([xmlto not found - documentation targets will be skipped]) + have_xmlto=no + else + have_xmlto=yes + fi +elif test "x$use_xmlto" = x"yes" ; then + AC_PATH_PROG([XMLTO], [xmlto]) + if test "x$XMLTO" = "x"; then + AC_MSG_ERROR([--with-xmlto=yes specified but xmlto not found in PATH]) + fi + have_xmlto=yes +elif test "x$use_xmlto" = x"no" ; then + if test "x$XMLTO" != "x"; then + AC_MSG_WARN([ignoring XMLTO environment variable since --with-xmlto=no was specified]) + fi + have_xmlto=no +else + AC_MSG_ERROR([--with-xmlto expects 'yes' or 'no']) +fi +AM_CONDITIONAL([HAVE_XMLTO], [test "$have_xmlto" = yes]) +]) # XORG_CHECK_XMLTO + # XORG_CHECK_MALLOC_ZERO # ---------------------- # Minimum version: 1.0.0 |