index 3a0f37b..3c2a60e 100644
--- a/auto/lib/libxslt/conf
+++ b/auto/lib/libxslt/conf
-@@ -12,8 +12,8 @@
+@@ -12,8 +12,9 @@
#include <libxslt/xsltInternals.h>
#include <libxslt/transform.h>
#include <libxslt/xsltutils.h>"
- ngx_feature_path="/usr/include/libxml2"
- ngx_feature_libs="-lxml2 -lxslt"
-+ ngx_feature_path="$(${PKG_CONFIG:=pkg-config} --cflags-only-I libxslt|sed 's/-I//g')"
++ ngx_feature_path="$(${PKG_CONFIG:=pkg-config} --cflags-only-I libxslt|
++ sed -re 's/(^|\s)-I\s*(\S+)/\1\2/g')"
+ ngx_feature_libs="$(${PKG_CONFIG:=pkg-config} --libs libxslt)"
ngx_feature_test="xmlParserCtxtPtr ctxt = NULL;
xsltStylesheetPtr sheet = NULL;
index 39d9602..995c6f3 100644
--- a/auto/lib/openssl/conf
+++ b/auto/lib/openssl/conf
-@@ -58,8 +58,8 @@ else
+@@ -58,8 +58,9 @@ else
ngx_feature_name="NGX_OPENSSL"
ngx_feature_run=no
ngx_feature_incs="#include <openssl/ssl.h>"
- ngx_feature_path=
- ngx_feature_libs="-lssl -lcrypto $NGX_LIBDL"
-+ ngx_feature_path="$(${PKG_CONFIG:=pkg-config} --cflags-only-I openssl|sed 's/-I//g')"
++ ngx_feature_path="$(${PKG_CONFIG:=pkg-config} --cflags-only-I openssl|
++ sed -re 's/(^|\s)-I\s*(\S+)/\1\2/g')"
+ ngx_feature_libs="$(${PKG_CONFIG:=pkg-config} --libs openssl)"
ngx_feature_test="SSL_CTX_set_options(NULL, 0)"
. auto/feature