On 2021-10-10, at 13:37:34 +1100, Duncan Roe wrote:
> Generate man pages, HTML, neither or both according to ./configure.
> Based on the work done for libnetfilter_queue
>
> Signed-off-by: Duncan Roe <duncan_roe@xxxxxxxxxxxxxxx>
Tested-by: Jeremy Sowden <jeremy@xxxxxxxxxx>
> ---
> v2: remove --without-doxygen since -disable-man-pages does that
> v3: - update .gitignore for clean `git status` after in-tree build
> - adjust configure.ac indentation for better readability
> - adjust configure.ac for all lines to fit in 80cc
> v4: implement Jeremy's suggestions
> v5: rebase on top of Jeremy's "Build fixes" patch series
> .gitignore | 7 ++--
> Makefile.am | 2 +-
> autogen.sh | 8 +++++
> configure.ac | 46 +++++++++++++++++++++++-
> doxygen/Makefile.am | 39 ++++++++++++++++++++
> doxygen.cfg.in => doxygen/doxygen.cfg.in | 9 ++---
> 6 files changed, 103 insertions(+), 8 deletions(-)
> create mode 100644 doxygen/Makefile.am
> rename doxygen.cfg.in => doxygen/doxygen.cfg.in (76%)
>
> diff --git a/.gitignore b/.gitignore
> index ef6bb0f..4990a51 100644
> --- a/.gitignore
> +++ b/.gitignore
> @@ -16,6 +16,9 @@ Makefile.in
> /configure
> /libtool
>
> -/doxygen/
> -/doxygen.cfg
> +/doxygen/doxygen.cfg
> +/doxygen/build_man.sh
> +/doxygen/doxyfile.stamp
> +/doxygen/man/
> +/doxygen/html/
> /*.pc
> diff --git a/Makefile.am b/Makefile.am
> index c7b86f7..46b14f9 100644
> --- a/Makefile.am
> +++ b/Makefile.am
> @@ -1,4 +1,4 @@
> -SUBDIRS = include src utils
> +SUBDIRS = include src utils doxygen
>
> ACLOCAL_AMFLAGS = -I m4
>
> diff --git a/autogen.sh b/autogen.sh
> index 5e1344a..93e2a23 100755
> --- a/autogen.sh
> +++ b/autogen.sh
> @@ -1,4 +1,12 @@
> #!/bin/sh -e
>
> +BUILD_MAN=doxygen/build_man.sh
> +
> +# Allow to override build_man.sh url for local testing
> +# E.g. export NFQ_URL=file:///usr/src/libnetfilter_queue
> +curl ${NFQ_URL:-https://git.netfilter.org/libnetfilter_queue/plain}/$BUILD_MAN\
> + -o$BUILD_MAN
> +chmod a+x $BUILD_MAN
> +
> autoreconf -fi
> rm -Rf autom4te.cache
> diff --git a/configure.ac b/configure.ac
> index 85e49ed..589eb59 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -12,6 +12,23 @@ m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
> dnl kernel style compile messages
> m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
>
> +AC_ARG_ENABLE([html-doc],
> + AS_HELP_STRING([--enable-html-doc], [Enable html documentation]),
> + [], [enable_html_doc=no])
> +AM_CONDITIONAL([BUILD_HTML], [test "$enable_html_doc" = yes])
> +AS_IF([test "$enable_html_doc" = yes],
> + [AC_SUBST(GEN_HTML, YES)],
> + [AC_SUBST(GEN_HTML, NO)])
> +
> +AC_ARG_ENABLE([man-pages],
> + AS_HELP_STRING([--disable-man-pages],
> + [Disable man page documentation]),
> + [], [enable_man_pages=yes])
> +AM_CONDITIONAL([BUILD_MAN], [test "$enable_man_pages" = yes])
> +AS_IF([test "$enable_man_pages" = yes],
> + [AC_SUBST(GEN_MAN, YES)],
> + [AC_SUBST(GEN_MAN, NO)])
> +
> AC_PROG_CC
> AM_PROG_CC_C_O
> LT_INIT([disable_static])
> @@ -37,6 +54,27 @@ PKG_CHECK_MODULES([LIBNETFILTER_CONNTRACK], [libnetfilter_conntrack >= 1.0.2],
> [HAVE_LNFCT=1], [HAVE_LNFCT=0])
> AM_CONDITIONAL([BUILD_NFCT], [test "$HAVE_LNFCT" -eq 1])
>
> +AS_IF([test "$enable_man_pages" = no -a "$enable_html_doc" = no],
> + [with_doxygen=no], [with_doxygen=yes])
> +
> +AS_IF([test "x$with_doxygen" != xno], [
> + AC_CHECK_PROGS([DOXYGEN], [doxygen], [""])
> + AC_CHECK_PROGS([DOT], [dot], [""])
> + AS_IF([test "x$DOT" != "x"],
> + [AC_SUBST(HAVE_DOT, YES)],
> + [AC_SUBST(HAVE_DOT, NO)])
> +])
> +
> +AM_CONDITIONAL([HAVE_DOXYGEN], [test -n "$DOXYGEN"])
> +AS_IF([test "x$DOXYGEN" = x], [
> + AS_IF([test "x$with_doxygen" != xno], [
> + dnl Only run doxygen Makefile if doxygen installed
> + AC_MSG_WARN([Doxygen not found - not building documentation])
> + enable_html_doc=no
> + enable_man_pages=no
> + ])
> +])
> +
> dnl Output the makefile
> AC_CONFIG_FILES([Makefile
> src/Makefile
> @@ -45,5 +83,11 @@ AC_CONFIG_FILES([Makefile
> utils/Makefile
> libnetfilter_log.pc
> libnetfilter_log_libipulog.pc
> - doxygen.cfg])
> + doxygen/Makefile
> + doxygen/doxygen.cfg])
> AC_OUTPUT
> +
> +echo "
> +libnetfilter_log configuration:
> +man pages: ${enable_man_pages}
> +html docs: ${enable_html_doc}"
> diff --git a/doxygen/Makefile.am b/doxygen/Makefile.am
> new file mode 100644
> index 0000000..582db4e
> --- /dev/null
> +++ b/doxygen/Makefile.am
> @@ -0,0 +1,39 @@
> +if HAVE_DOXYGEN
> +
> +doc_srcs = $(top_srcdir)/src/libnetfilter_log.c\
> + $(top_srcdir)/src/nlmsg.c\
> + $(top_srcdir)/src/libipulog_compat.c
> +
> +doxyfile.stamp: $(doc_srcs) Makefile
> + rm -rf html man
> + doxygen doxygen.cfg >/dev/null
> +
> +if BUILD_MAN
> + $(abs_top_srcdir)/doxygen/build_man.sh
> +endif
> +
> + touch doxyfile.stamp
> +
> +CLEANFILES = doxyfile.stamp
> +
> +all-local: doxyfile.stamp
> +clean-local:
> + rm -rf man html
> +install-data-local:
> +if BUILD_MAN
> + mkdir -p $(DESTDIR)$(mandir)/man3
> + cp --no-dereference --preserve=links,mode,timestamps man/man3/*.3\
> + $(DESTDIR)$(mandir)/man3/
> +endif
> +if BUILD_HTML
> + mkdir -p $(DESTDIR)$(htmldir)
> + cp --no-dereference --preserve=links,mode,timestamps html/*\
> + $(DESTDIR)$(htmldir)
> +endif
> +
> +# make distcheck needs uninstall-local
> +uninstall-local:
> + rm -rf $(DESTDIR)$(mandir) man html doxyfile.stamp $(DESTDIR)$(htmldir)
> +endif
> +
> +EXTRA_DIST = build_man.sh
> diff --git a/doxygen.cfg.in b/doxygen/doxygen.cfg.in
> similarity index 76%
> rename from doxygen.cfg.in
> rename to doxygen/doxygen.cfg.in
> index dc2fddb..b6c27dc 100644
> --- a/doxygen.cfg.in
> +++ b/doxygen/doxygen.cfg.in
> @@ -1,12 +1,11 @@
> # Difference with default Doxyfile 1.8.20
> PROJECT_NAME = @PACKAGE@
> PROJECT_NUMBER = @VERSION@
> -OUTPUT_DIRECTORY = doxygen
> ABBREVIATE_BRIEF =
> FULL_PATH_NAMES = NO
> TAB_SIZE = 8
> OPTIMIZE_OUTPUT_FOR_C = YES
> -INPUT = .
> +INPUT = @abs_top_srcdir@/src
> FILE_PATTERNS = *.c
> RECURSIVE = YES
> EXCLUDE_SYMBOLS = nflog_g_handle \
> @@ -18,7 +17,9 @@ SOURCE_BROWSER = YES
> ALPHABETICAL_INDEX = NO
> GENERATE_LATEX = NO
> LATEX_CMD_NAME = latex
> -GENERATE_MAN = YES
> -HAVE_DOT = YES
> +GENERATE_MAN = @GEN_MAN@
> +GENERATE_HTML = @GEN_HTML@
> +MAN_LINKS = YES
> +HAVE_DOT = @HAVE_DOT@
> DOT_TRANSPARENT = YES
> SEARCHENGINE = NO
> --
> 2.17.5
>
>
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