Make autogen of poppler-api.xml conditional

Signed-off-by: jacinto <jacinto.m.shy@gmail.com>

Makefile.am

@@ -19,8 +19,10 @@ CLEANFILES = \
 	$(SOURCES) \
 	poppler-sharp/poppler-api.xml
 
+if ENABLE_AUTOGEN_API
 poppler-sharp/poppler-api.raw: sources/poppler-sharp.sources
 	gapi2-parser $<
+endif
 
 poppler-sharp/poppler-api.xml: poppler-sharp/poppler-api.raw \
                                poppler-sharp/poppler.metadata
@@ -42,8 +44,9 @@ poppler-sharp.dll: $(SOURCES)
 		-pkg:gtk-sharp-2.0 \
 		-r:Mono.Cairo \
 		-t:library \
-		-out:poppler-sharp/poppler-sharp.dll \
-		-unsafe $(SOURCES) \
+		-out:$@ \
+		-unsafe \
+		$(SOURCES) \
 		poppler-sharp/Document.cs
 
 pkglib_DATA = poppler-sharp.dll

configure.ac

@@ -5,10 +5,15 @@ AC_PREREQ([2.64])
 AC_INIT([poppler-sharp], [0.0.1], [hyperar@ubuntu.com])
 AM_INIT_AUTOMAKE([-Wall foreign dist-bzip2 tar-ustar])
 
-PKG_CHECK_MODULES([POPPLER], [poppler-glib])
 PKG_CHECK_MODULES([GTKSHARP], [gtk-sharp-2.0])
-POPPLER_GLIB_DIR=$($PKG_CONFIG --cflags poppler-glib | grep -o -- -I.\*poppler/glib | sed -e 's/-I//');
+AC_ARG_WITH([poppler-glib-dir],
+            [AC_HELP_STRING([--with-poppler-glib-dir=DIR],
+                            [glib folder in poppler source directory])],
+            [POPPLER_GLIB_DIR="$withval"
+             enable_autogen_api=yes],
+            [enable_autogen_api=no])
 AC_SUBST([POPPLER_GLIB_DIR])
+AM_CONDITIONAL(ENABLE_AUTOGEN_API, test "$enable_autogen_api" = "yes")
 
 AC_PATH_PROG([MCS], [gmcs], [no])
 if [[ ${MCS} = "no" ]]; then