nginx: add configure option

Support --with-http_xslt_module configure option via a PACKAGECONFIG
option.  The option is not added to the defaults.

Cherry-pick from master.

Signed-off-by: Joe Slater <joe.slater@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
(cherry picked from commit e0ac8eec48)
Signed-off-by: Armin Kuster <akuster808@gmail.com>

meta-webserver/recipes-httpd/nginx/files/0001-configure-libxslt-conf.patch

@@ -0,0 +1,39 @@
+From 0c3c669464a514cf8d0cac08282ecb2b486f440f Mon Sep 17 00:00:00 2001
+From: Joe Slater <joe.slater@windriver.com>
+Date: Tue, 3 Oct 2023 19:21:17 +0000
+Subject: [PATCH] configure: libxslt conf
+
+Modify to find libxslt related include files under sysroot.
+
+Upstream-Status: Pending
+
+Signed-off-by: Joe Slater <joe.slater@windriver.com>
+---
+ auto/lib/libxslt/conf | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/auto/lib/libxslt/conf b/auto/lib/libxslt/conf
+index 3063ac7..eb77886 100644
+--- a/auto/lib/libxslt/conf
++++ b/auto/lib/libxslt/conf
+@@ -12,7 +12,7 @@
+                       #include <libxslt/xsltInternals.h>
+                       #include <libxslt/transform.h>
+                       #include <libxslt/xsltutils.h>"
+-    ngx_feature_path="/usr/include/libxml2"
++    ngx_feature_path="=/usr/include/libxml2"
+     ngx_feature_libs="-lxml2 -lxslt"
+     ngx_feature_test="xmlParserCtxtPtr    ctxt = NULL;
+                       xsltStylesheetPtr   sheet = NULL;
+@@ -100,7 +100,7 @@ fi
+     ngx_feature_name=NGX_HAVE_EXSLT
+     ngx_feature_run=no
+     ngx_feature_incs="#include <libexslt/exslt.h>"
+-    ngx_feature_path="/usr/include/libxml2"
++    ngx_feature_path="=/usr/include/libxml2"
+     ngx_feature_libs="-lexslt"
+     ngx_feature_test="exsltRegisterAll();"
+     . auto/feature
+-- 
+2.35.5
+

meta-webserver/recipes-httpd/nginx/nginx.inc

@@ -22,6 +22,7 @@ SRC_URI = " \
     file://nginx-volatile.conf \
     file://nginx.service \
     file://nginx-fix-pidfile.patch \
+    file://0001-configure-libxslt-conf.patch \
 "
 
 inherit siteinfo update-rc.d useradd systemd
@@ -46,6 +47,8 @@ PACKAGECONFIG[http-auth-request] = "--with-http_auth_request_module,,"
 PACKAGECONFIG[ipv6] = "--with-ipv6,,"
 PACKAGECONFIG[webdav] = "--with-http_dav_module,,"
 
+PACKAGECONFIG[xslt] = "--with-http_xslt_module,,libxslt"
+
 do_configure () {
     if [ "${SITEINFO_BITS}" = "64" ]; then
         PTRSIZE=8