New package: glslViewer-1.5.5

closes #2307

srcpkgs/glslViewer/patches/floating_workaround.patch

@@ -0,0 +1,15 @@
+diff --git a/src/window.cpp b/src/window.cpp
+index 66cf765..fc8f44c 100644
+--- src/window.cpp
++++ src/window.cpp
+@@ -204,6 +204,9 @@ void initGL (glm::ivec4 &_viewport, bool _headless, bool _alwaysOnTop) {
+             glfwWindowHint(GLFW_FLOATING, GL_TRUE);
+         }
+ 
++        // Make it float
++        glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE);
++
+         window = glfwCreateWindow(_viewport.z, _viewport.w, appTitle.c_str(), NULL, NULL);
+ 
+         if(!window) {
+

srcpkgs/glslViewer/template

@@ -0,0 +1,32 @@
+# Template file for 'glslViewer'
+pkgname=glslViewer
+version=1.5.5
+revision=1
+build_style=gnu-makefile
+make_use_env=yes
+hostmakedepends="pkgconf"
+makedepends="glfw-devel glu-devel MesaLib-devel libX11-devel libXrandr-devel
+ libXi-devel libXxf86vm-devel libXcursor-devel libXinerama-devel libXext-devel
+ libXrender-devel libXdamage-devel"
+short_desc="Live GLSL coding render"
+maintainer="maxice8 <thinkabit.ukim@gmail.com>"
+license="BSD-3-Clause"
+homepage="http://patriciogonzalezvivo.com/2015/glslViewer/"
+distfiles="https://github.com/patriciogonzalezvivo/glslViewer/archive/${version}.tar.gz"
+checksum=28a784d701294fd335031ab293c5f4764a498f84714b1ae677dbc4e05ed94b23
+
+case "$XBPS_TARGET_MACHINE" in
+	*-musl) broken="Requires lots -D_GNU_SOURCE=1 and #include <sys/types.h>" ;;
+esac
+
+pre_build() {
+	# can obscure real errors
+	vsed -e 's|-fpermissive||g' \
+		 -e 's|^CXX =.*||g' \
+		 -i Makefile
+}
+
+do_install() {
+	vbin bin/glslViewer
+	vlicense LICENSE
+}