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From: <jerinj@marvell.com>
To: <dev@dpdk.org>
CC: <thomas@monjalon.net>, <bruce.richardson@intel.com>, Jerin Jacob
 <jerinj@marvell.com>, <stable@dpdk.org>
Subject: [dpdk-dev] [PATCH v1] doc: remove warning with doxygen 1.9.7
Date: Fri, 2 Jun 2023 14:00:32 +0530
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From: Jerin Jacob <jerinj@marvell.com>

Since doxygen 1.9.7 version, HTML_TIMESTAMP configuration option
changed to TIMESTAMP [2]. Fixed the following warning[1] by providing
the correct configuration option based on doxygen version.

[1]
Warning: Tag 'HTML_TIMESTAMP' at line 115 of file 'doc/api/doxy-api.conf'
has become obsolete.

[2]
https://www.doxygen.nl/manual/config.html#cfg_timestamp

Cc: stable@dpdk.org

Signed-off-by: Jerin Jacob <jerinj@marvell.com>
---
v2:
- use run_command() as https://mesonbuild.com/Reference-manual_returned_external_program.html#external_programversion
introduced in 0.62 version and DPDK min meson version is 0.53.2 

 doc/api/doxy-api.conf.in | 2 +-
 doc/api/meson.build      | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/doc/api/doxy-api.conf.in b/doc/api/doxy-api.conf.in
index d230a19e1f..60e582d8fc 100644
--- a/doc/api/doxy-api.conf.in
+++ b/doc/api/doxy-api.conf.in
@@ -111,7 +111,7 @@ GENERATE_DEPRECATEDLIST = YES
 VERBATIM_HEADERS        = NO
 ALPHABETICAL_INDEX      = NO
 
-HTML_TIMESTAMP          = NO
+@TS_PREFIX@TIMESTAMP   = NO
 HTML_DYNAMIC_SECTIONS   = YES
 HTML_EXTRA_STYLESHEET   = @TOPDIR@/doc/api/custom.css
 SEARCHENGINE            = YES
diff --git a/doc/api/meson.build b/doc/api/meson.build
index 2876a78a7e..4d1161d847 100644
--- a/doc/api/meson.build
+++ b/doc/api/meson.build
@@ -41,6 +41,13 @@ if get_option('werror')
     cdata.set('WARN_AS_ERROR', 'YES')
 endif
 
+doxygen_version = run_command('doxygen', '--version', check: true).stdout().strip()
+if doxygen_version.version_compare('>=1.9.7')
+    cdata.set('TS_PREFIX', '')
+else
+    cdata.set('TS_PREFIX', 'HTML_')
+endif
+
 doxy_conf = configure_file(input: 'doxy-api.conf.in',
         output: 'doxy-api.conf',
         configuration: cdata)
-- 
2.40.1