simplify liblua detection in configure

httpd-2.4.27-r1825147.patch

@@ -0,0 +1,35 @@
+# ./pullrev.sh 1825147
+http://svn.apache.org/viewvc?view=revision&revision=1825147
+
+--- httpd-2.4.27/modules/lua/config.m4
++++ httpd-2.4.27/modules/lua/config.m4
+@@ -55,9 +55,16 @@
+     test_paths="${lua_path}"
+ fi
+ 
+-AC_CHECK_LIB(m, pow, lib_m="-lm")
+-AC_CHECK_LIB(m, sqrt, lib_m="-lm")
+-for x in $test_paths ; do
++if test -n "$PKGCONFIG" -a -z "$lua_path" \
++   && $PKGCONFIG --atleast-version=5.1 lua; then
++  LUA_LIBS="`$PKGCONFIG --libs lua`"
++  LUA_CFLAGS="`$PKGCONFIG --cflags lua`"
++  LUA_VERSION="`$PKGCONFIG --modversion lua`"
++  AC_MSG_NOTICE([using Lua $LUA_VERSION configuration from pkg-config])
++else
++  AC_CHECK_LIB(m, pow, lib_m="-lm")
++  AC_CHECK_LIB(m, sqrt, lib_m="-lm")
++  for x in $test_paths ; do
+     CHECK_LUA_PATH([${x}], [include/lua-5.3], [lib/lua-5.3], [lua-5.3])
+     CHECK_LUA_PATH([${x}], [include/lua5.3], [lib], [lua5.3])
+     CHECK_LUA_PATH([${x}], [include/lua53], [lib/lua53], [lua])
+@@ -71,7 +78,8 @@
+     CHECK_LUA_PATH([${x}], [include/lua-5.1], [lib/lua-5.1], [lua-5.1])
+     CHECK_LUA_PATH([${x}], [include/lua5.1], [lib], [lua5.1])
+     CHECK_LUA_PATH([${x}], [include/lua51], [lib/lua51], [lua])
+-done
++  done
++fi
+ 
+ AC_SUBST(LUA_LIBS)
+ AC_SUBST(LUA_CFLAGS)

httpd.spec

@@ -13,7 +13,7 @@
 Summary: Apache HTTP Server
 Name: httpd
 Version: 2.4.29
-Release: 6%{?dist}
+Release: 7%{?dist}
 URL: https://httpd.apache.org/
 Source0: https://www.apache.org/dist/httpd/httpd-%{version}.tar.bz2
 Source1: index.html
@@ -57,6 +57,7 @@ Patch3: httpd-2.4.1-deplibs.patch
 Patch5: httpd-2.4.3-layout.patch
 Patch6: httpd-2.4.3-apctl-systemd.patch
 Patch7: httpd-2.4.27-r1822305.patch
+Patch8: httpd-2.4.27-r1825147.patch
 # Needed for socket activation and mod_systemd patch
 Patch19: httpd-2.4.25-detect-systemd.patch
 # Features/functional changes
@@ -201,6 +202,7 @@ interface for storing and accessing per-user session data.
 %patch5 -p1 -b .layout
 %patch6 -p1 -b .apctlsystemd
 %patch7 -p1 -b .r1822305
+%patch8 -p1 -b .r1825147
 
 %patch19 -p1 -b .detectsystemd
 
@@ -680,6 +682,9 @@ exit $rv
 %{_rpmconfigdir}/macros.d/macros.httpd
 
 %changelog
+* Mon Feb 26 2018 Joe Orton <jorton@redhat.com> - 2.4.29-7
+- simplify liblua detection in configure
+
 * Wed Feb 07 2018 Fedora Release Engineering <releng@fedoraproject.org> - 2.4.29-6
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild