build: doc: Avoid having to special-case `make distcheck`

- Move doxygen.cfg.in to doxygen/
- Tell doxygen.cfg.in where the sources are
- Let doxygen.cfg.in default its output to CWD
- In Makefile, `doxygen doxygen.cfg` "just works"

Signed-off-by: Duncan Roe <duncan_roe@optusnet.com.au>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 27 insertions, 0 deletions

diff --git a/doxygen/doxygen.cfg.in b/doxygen/doxygen.cfg.in
new file mode 100644
index 0000000..99b5c90
--- /dev/null
+++ b/doxygen/doxygen.cfg.in
@@ -0,0 +1,27 @@
+# Difference with default Doxyfile 1.8.20
+PROJECT_NAME           = @PACKAGE@
+PROJECT_NUMBER         = @VERSION@
+ABBREVIATE_BRIEF       =
+FULL_PATH_NAMES        = NO
+TAB_SIZE               = 8
+OPTIMIZE_OUTPUT_FOR_C  = YES
+INPUT                  = @abs_top_srcdir@/src
+FILE_PATTERNS          = *.c
+RECURSIVE              = YES
+EXCLUDE_SYMBOLS        = EXPORT_SYMBOL \
+                         tcp_word_hdr \
+                         nfq_handle \
+                         nfq_data \
+                         nfq_q_handle \
+                         tcp_flag_word
+EXAMPLE_PATTERNS       =
+INPUT_FILTER           = "sed 's/EXPORT_SYMBOL//g'"
+SOURCE_BROWSER         = YES
+ALPHABETICAL_INDEX     = NO
+SEARCHENGINE           = NO
+GENERATE_LATEX         = NO
+LATEX_CMD_NAME         = latex
+GENERATE_MAN           = YES
+MAN_LINKS              = YES
+HAVE_DOT               = @HAVE_DOT@
+DOT_TRANSPARENT        = YES