From 9c3935c2b012154ae0478c8dc2cabefed3380573 Mon Sep 17 00:00:00 2001
From: quou <quou@disroot.org>
Date: Sat, 22 Feb 2025 17:59:09 +1100
Subject: makefile dependencies for shader includes

---
 configure.lua | 25 +++++++++++++++++++++----
 1 file changed, 21 insertions(+), 4 deletions(-)

(limited to 'configure.lua')

diff --git a/configure.lua b/configure.lua
index 3fa6f17..9bfe342 100644
--- a/configure.lua
+++ b/configure.lua
@@ -81,6 +81,7 @@ end
 function build_unix()
 	local compiler_c = nil
 	local compiler_cpp = nil
+	local compiler_prep = nil
 	local ar = nil
 	if os.execute("gcc --version") then
 		compiler_c = "gcc"
@@ -92,13 +93,20 @@ function build_unix()
 	if os.execute("ar --version") then
 		ar = "ar"
 	end
+	if os.execute("cpp --version") then
+		compiler_prep = "cpp"
+	end
 	if not compiler_c or not compiler_cpp then
 		print("didn't find a valid compiler :(")
 		os.exit(2)
 	end
-	print("c   compiler: " .. compiler_c)
-	print("c++ compiler: " .. compiler_cpp)
-	print("ar:           " .. ar)
+	if not compiler_prep then
+		print("didn't find a C preprocessor")
+	end
+	print("c   compiler:     " .. compiler_c)
+	print("c++ compiler:     " .. compiler_cpp)
+	print("c   preprocessor: " .. compiler_prep)
+	print("ar:               " .. ar)
 
 	local outfile = io.open("Makefile", "w")
 	if not outfile then
@@ -200,12 +208,20 @@ function build_unix()
 	local function shaders(stype, dtype, tool, tab)
 		for _, fname in ipairs(tab) do
 			outfile:write(string.format(
-				"data/%s.%s: intermediate/%s.%s %s | data\n\t./%s intermediate/%s.%s data/%s.%s\n",
+				"data/%s.%s: intermediate/%s.%s %s | data\n" ..
+				"\t%s -MMD -MF data/%s.d -MT data/%s.%s -Iintermediate intermediate/%s.%s > /dev/null\n" ..
+				"\t./%s intermediate/%s.%s data/%s.%s\n",
 				fname,
 				dtype,
 				fname,
 				stype,
 				tool,
+				compiler_prep,
+				fname,
+				fname,
+				dtype,
+				fname,
+				stype,
 				tool,
 				fname,
 				stype,
@@ -213,6 +229,7 @@ function build_unix()
 				dtype
 			))
 			all_shaders[#all_shaders + 1] = "data/" .. fname .. "." .. dtype
+			all_deps[#all_deps + 1] = "data/" .. fname .. ".d"
 			all_assets[#all_assets + 1] = fname .. "." .. dtype
 		end
 		outfile:write("\n")
-- 
cgit v1.2.3-54-g00ecf