waifu2x-converter-cpp: fix cross

srcpkgs/waifu2x-converter-cpp/patches/fix-cross.patch

@@ -0,0 +1,30 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 12884cc..6139ae2 100644
+--- CMakeLists.txt
++++ CMakeLists.txt
+@@ -36,7 +36,14 @@ if(UNIX OR MINGW)
+ 	set(FILE_SYSTEM_LIB "stdc++fs")
+ endif()
+ 
+-add_executable(conv conv.c)
++add_custom_target("conv")
++add_custom_command(
++	OUTPUT "build/conv"
++	COMMAND cc
++	ARGS -o conv conv.c
++	DEPENDS "build/conv"
++	COMMENT "Generator"
++)
+ if(UNIX)
+ 	set(OPENCV_PREFIX "/usr" CACHE FILEPATH "OpenCV path")
+ 	find_package(OpenCV)
+@@ -269,7 +276,7 @@ else() # We are on linux and build for linux
+ 	target_link_libraries(w2xc ${OpenCV_LIBS} ${CMAKE_DL_LIBS} pthread stdc++fs stdc++)
+ endif()
+ 
+-set(CONV_EXE "$<TARGET_FILE_DIR:conv>/conv")
++set(CONV_EXE ${CMAKE_BINARY_DIR}/conv)
+ 
+ add_custom_command(
+ 	OUTPUT modelHandler_OpenCL.cl.h
+

srcpkgs/waifu2x-converter-cpp/template

@@ -12,7 +12,13 @@ license="MIT"
 homepage="https://github.com/DeadSix27/waifu2x-converter-cpp"
 distfiles="${homepage}/archive/v${version}.tar.gz"
 checksum=fc1f6317dce9ca7a4cb8e36be5c9e18d46e7ac41f7a444eaab2df8be5e44fd43
-nocross="Builds intermediate executable, which should be ran on host, for the target architecture"
+
+pre_configure() {
+	# conv is a generator built with add_executable
+	# build it before so it is built with the correct
+	# toolchain
+	cc -o build/conv conv.c
+}
 
 post_install() {
 	vlicense LICENSE