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build-sys: check for gtk-doc by default 

This patch add "check|yes|no" concept for --{disable,enable}-gtk-doc
configure option. (We use the same concept for many u-l-ng compile
options.)

The gtk-doc is required for "make dist" (not sure if this is good
idea..), so it makes sense to enable gtk-doc by default.

Signed-off-by: Karel Zak <kzak@redhat.com>
This commit is contained in:
Karel Zak 2009-11-06 02:04:41 +01:00
parent c48f949350
commit 57facddbc5
1 changed files with 18 additions and 8 deletions
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26
m4/gtk-doc.m4
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@ -17,18 +17,28 @@ AC_DEFUN([GTK_DOC_CHECK],
dnl enable/disable documentation building
AC_ARG_ENABLE([gtk-doc],
AS_HELP_STRING([--enable-gtk-doc],
[use gtk-doc to build documentation [[default=no]]]),,
[enable_gtk_doc=no])
AS_HELP_STRING([--disable-gtk-doc],
[don't use gtk-doc to build documentation]),,
[enable_gtk_doc=check])
if test x$enable_gtk_doc = xyes; then
if test x$enable_gtk_doc = xno; then
has_gtk_doc=no
else
ifelse([$1],[],
[PKG_CHECK_EXISTS([gtk-doc],,
AC_MSG_ERROR([gtk-doc not installed and --enable-gtk-doc requested]))],
[PKG_CHECK_EXISTS([gtk-doc >= $1],,
AC_MSG_ERROR([You need to have gtk-doc >= $1 installed to build gtk-doc]))])
[PKG_CHECK_EXISTS([gtk-doc],has_gtk_doc=yes,has_gtk_doc=no)],
[PKG_CHECK_EXISTS([gtk-doc >= $1],has_gtk_doc=yes,has_gtk_doc=no)])
fi
case $enable_gtk_doc:$has_gtk_doc in
yes:no)
ifelse([$1],[],
[AC_MSG_ERROR([gtk-doc not installed and --enable-gtk-doc requested])],
[AC_MSG_ERROR([You need to have gtk-doc >= $1 installed to build gtk-doc])])
;;
esac
enable_gtk_doc=$has_gtk_doc
AC_MSG_CHECKING([whether to build gtk-doc documentation])
AC_MSG_RESULT($enable_gtk_doc)