From 48cc9f3beb7053f51fcdabe25439faae648b6370 Mon Sep 17 00:00:00 2001
From: Aurelien Foret <aurelien@archlinux.org>
Date: Fri, 17 Feb 2006 20:48:45 +0000
Subject: doxygen support for autotools (patch from Christian Hamar
 <krics@linuxforum.hu>

---
 autoclean.sh            |  1 +
 configure.ac            | 28 ++++++++++++++++++++++++++++
 doc/Makefile.am         |  5 +++++
 lib/libalpm/Makefile.am |  9 +++++++++
 4 files changed, 43 insertions(+)

diff --git a/autoclean.sh b/autoclean.sh
index a3d16104..b088bb74 100755
--- a/autoclean.sh
+++ b/autoclean.sh
@@ -24,6 +24,7 @@ rm -rf doc/Makefile
 rm -rf doc/Makefile.in
 rm -rf doc/html/*
 rm -rf doc/*.8
+rm -rf doc/man3/*
 rm -rf compile
 rm -rf libtool
 rm -rf scripts/.deps/
diff --git a/configure.ac b/configure.ac
index 9d6f8d51..43f05519 100644
--- a/configure.ac
+++ b/configure.ac
@@ -57,6 +57,11 @@ AC_ARG_ENABLE(fakeroot,
     AC_HELP_STRING([--disable-fakeoot], [Disable fakeroot proof  support]),
     [fakeroot=$enableval], [fakeroot=yes])
 
+dnl Help line for doxygen
+AC_ARG_ENABLE(doxygen,
+    AC_HELP_STRING([--disable-doxygen], [Build API docs via Doxygen]),
+    [wantdoxygen=$enableval], [wantdoxygen=yes])
+
 dnl Check for man2html binary
 AC_MSG_CHECKING(for support man2html)
 if test x$wantman2html = xyes ; then
@@ -75,6 +80,27 @@ else
     AC_MSG_RESULT(not requested by configure)
 fi
 
+dnl Check for doxygen support
+AC_MSG_CHECKING(for support Doxygen)
+if test x$wantdoxygen = xyes ; then
+    AC_CHECK_PROGS([DOXYGEN], [doxygen] [doxygen binary])
+    AM_CONDITIONAL(HAS_DOXYGEN, test $DOXYGEN)
+    if test $DOXYGEN ; then
+        AC_DEFINE([HAS_DOXYGEN], [TRUE], [Enabled Doxygen Support])
+	AC_MSG_RESULT(yes)
+	DOXYSTATUS="yes, path: `which $DOXYGEN`"
+    else
+        AC_DEFINE([HAS_DOXYGEN], [FALSE], [Disabled Doxygen support])
+	AC_MSG_RESULT(no, doxygen missing)
+	DOXYSTATUS="doxygen binary not found"
+    fi
+else
+    AM_CONDITIONAL(HAS_DOXYGEN, test $DOXYGEN)
+    AC_DEFINE([HAS_DOXYGEN], [FALSE], [Not specified at configure line])
+    AC_MSG_RESULT(not requested by configure)
+    DOXYSTATUS="disabled by configure"
+fi
+
 dnl Enable or disable Warning FLAGS during compile
 AC_MSG_CHECKING(for more compiler warnings)
 if test "$GCC" = "yes" -a "$set_more_warnings" != "no"; then
@@ -165,4 +191,6 @@ pacman-$VERSION:
 	libalpm version:          ${PM_VERSION}
                                                                                 
 	debug support:            ${debug}
+
+	Doxygen support          : ${DOXYSTATUS}
 "
diff --git a/doc/Makefile.am b/doc/Makefile.am
index 40635fc6..b24995cb 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -17,4 +17,9 @@ clean:
 	rm -rf html/*
 
 man_MANS: pacman.8 makepkg.8 libalpm.3
+
+if HAS_DOXYGEN
+man_MANS += man3/*.3
+endif
+
 EXTRA_DIST = $(man_MANS)
diff --git a/lib/libalpm/Makefile.am b/lib/libalpm/Makefile.am
index 42b9b80c..f4c73337 100644
--- a/lib/libalpm/Makefile.am
+++ b/lib/libalpm/Makefile.am
@@ -31,3 +31,12 @@ include_HEADERS = alpm.h
 libalpm_la_SOURCES = $(TARGETS)
 
 libalpm_la_LDFLAGS = -no-undefined -version-info $(PM_VERSION_INFO)
+
+if HAS_DOXYGEN
+all: doxygen.in
+
+doxygen.in:
+	doxygen Doxyfile
+
+endif
+
-- 
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