plplot: fix build on musl

srcpkgs/plplot/template

@@ -26,10 +26,6 @@ build_options="ada gen_tools"
 desc_option_ada="Enable Ada bindings"
 desc_option_gen_tools="Build files for host required during cross build"
 
-if [ "$XBPS_TARGET_LIBC" = "musl" ]; then
-	broken="PTHREAD_MUTEX_RECURSIVE_NP"
-fi
-
 if ! [ "$CROSS_BUILD" ]; then
 	build_options_default="gen_tools"
 fi
@@ -46,6 +42,13 @@ post_patch() {
 	vsed -i cmake/modules/tcl-related.cmake -e '/if(NOT PLPLOT_TK_VERSION)/ i set(PLPLOT_TK_VERSION ${PLPLOT_TCL_VERSION} CACHE STRING "Tk version found by wish")'
 }
 
+post_configure() {
+	if [ "$XBPS_TARGET_LIBC" = musl ]; then
+		vsed -i build/plplot_config.h \
+			-e '/PTHREAD_MUTEX_RECURSIVE_NP/s/_NP//'
+	fi
+}
+
 pre_build() {
 	if ! [ "$build_option_gen_tools" ]; then
 		ln -s /usr/lib/qsastime/deltaT-gen build/lib/qsastime