From 1800fb667db1070c6a9041e126d5eee860adde86 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C4=90o=C3=A0n=20Tr=E1=BA=A7n=20C=C3=B4ng=20Danh?=
 <congdanhqx@gmail.com>
Date: Sun, 21 Feb 2021 21:12:11 +0700
Subject: [PATCH] trackballs: respect our CPP

---
 srcpkgs/trackballs/patches/respect-our-cpp.patch | 13 +++++++++++++
 srcpkgs/trackballs/template                      |  2 +-
 2 files changed, 14 insertions(+), 1 deletion(-)
 create mode 100644 srcpkgs/trackballs/patches/respect-our-cpp.patch

diff --git a/srcpkgs/trackballs/patches/respect-our-cpp.patch b/srcpkgs/trackballs/patches/respect-our-cpp.patch
new file mode 100644
index 00000000000..c53441705d8
--- /dev/null
+++ b/srcpkgs/trackballs/patches/respect-our-cpp.patch
@@ -0,0 +1,13 @@
+Index: CMakeLists.txt
+===================================================================
+--- CMakeLists.txt.orig
++++ CMakeLists.txt
+@@ -66,7 +66,7 @@ endforeach()
+ 
+ # cpp is the c++ preprocessor
+ add_custom_command(OUTPUT guile.cc.x
+-                  COMMAND CPP=cpp; ${GUILE_SNARF} -o guile.cc.x ${PROJECT_SOURCE_DIR}/src/guile.cc ${defstr} ${incstr} -D_GNU_SOURCE=1 -D_REENTRANT
++                  COMMAND ${GUILE_SNARF} -o guile.cc.x ${PROJECT_SOURCE_DIR}/src/guile.cc ${defstr} ${incstr} -D_GNU_SOURCE=1 -D_REENTRANT
+                   DEPENDS src/guile.cc
+                   WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
+ 
diff --git a/srcpkgs/trackballs/template b/srcpkgs/trackballs/template
index 321e2007621..8e6989658a9 100644
--- a/srcpkgs/trackballs/template
+++ b/srcpkgs/trackballs/template
@@ -3,7 +3,7 @@ pkgname=trackballs
 version=1.3.1
 revision=2
 build_style=cmake
-hostmakedepends="gettext guile"
+hostmakedepends="gettext guile pkg-config"
 makedepends="zlib-devel SDL2_image-devel SDL2_mixer-devel SDL2_ttf-devel guile-devel"
 depends="guile"
 short_desc="Marble steering game"