From: Charles McGarvey <chazmcgarvey@brokenzipper.com>
Date: Fri, 11 Jun 2010 16:14:12 +0000 (-0600)
Subject: better gcc support in compile.lua
X-Git-Url: https://git.dogcows.com/gitweb?p=chaz%2Fyoink;a=commitdiff_plain;h=f6d0b86430cc515164b298046542f80f42a29c65

better gcc support in compile.lua
---

diff --git a/build/compile.lua b/build/compile.lua
index 31b20fd..575096d 100755
--- a/build/compile.lua
+++ b/build/compile.lua
@@ -3,7 +3,8 @@
 --
 -- Yoink
 -- This script wraps around the compiler command to handle the creation of
--- dependency files.  It works with new versions of GCC.
+-- dependency files.  It works with GCC.  The script is based off of Emile
+-- van Bergen's `ccdeps-gcc' script.
 --
 
 
@@ -19,12 +20,20 @@ end
 -- The compiler command is the first argument.
 compiler	= shift()
 arguments	= ""
+paths		= {}
 
 
 -- Consume each compiler argument, appending it to the arguments variable.
 while 0 < #arg do
-	local v = shift(arg)
-	if v == "-o" then product = shift(arg) end
+	local v = shift()
+	if v == "-o" then
+		product = shift()
+	elseif v:match("%-[xubV]$") then
+		shift()		-- Shift an extra one for the option's payload.
+	else
+		path = v:match("([^-].*)/")
+		if path then paths[path] = true end
+	end
 end
 if not product then print("No output file specified.") os.exit(1) end
 
@@ -46,17 +55,24 @@ dep = product..".d"
 os.remove(dep)
 
 
--- GCC outputs file.d for a product named file.o.
-gccdep = product:gsub("^.*/(.*)%.o$", "%1.d")
-tmpname = gccdep..".tmp"
+-- GCC outputs file.d for a product named file.o, either in the current
+-- directory or in the directory where the source is.
+depname = product:gsub("^.*/(.*)%.o$", "%1.d")
+depfiles = {}
+table.insert(depfiles, depname)
+for path in pairs(paths) do table.insert(depfiles, path.."/"..depname) end
 
--- Fix up the dependency file with correct paths.
-if os.execute("test -f "..gccdep) == 0 and os.rename(gccdep, tmpname) then
-	os.execute(string.format("sed -e 's|.*:|%s %s:|' <%s >>%s", product, dep, tmpname, dep))
-	os.execute(string.format("sed -e 's/^.*://' -e 's/^ *//' -e 's/ *\\\\$//' -e 's/$/:/' <%s >>%s", tmpname, dep))
-	os.remove(tmpname)
-else
-	print("Couldn't find the dependency file at "..gccdep..".")
-	os.exit(1)
+for _,gccdep in ipairs(depfiles) do
+	tmpname = gccdep..".tmp"
+	-- Fix up the dependency file with correct paths.
+	if os.execute("test -f "..gccdep) == 0 and os.rename(gccdep, tmpname) then
+		os.execute(string.format("sed -e 's|.*:|%s %s:|' <%s >>%s", product, dep, tmpname, dep))
+		os.execute(string.format("sed -e 's/^.*://' -e 's/^ *//' -e 's/ *\\\\$//' -e 's/$/:/' <%s >>%s", tmpname, dep))
+		os.remove(tmpname)
+		os.exit()
+	end
 end
 
+print("Couldn't find the dependency file.")
+os.exit(1)
+
diff --git a/configure b/configure
index 5e691c1..f69a93a 100755
--- a/configure
+++ b/configure
@@ -40,7 +40,7 @@ Program options:
       --enable-threads    use threads for concurrency
       --enable-hotloading watch assets for automatic reloading
 
-      --with-gtk          use gtk2 toolkit (overrides --with-qt4)
+      --with-gtk          use the gtk2 toolkit (overrides --with-qt4)
       --with-qt4          use the qt4 gui toolkit
 ]])
 end
@@ -263,7 +263,8 @@ int main()
 {
 	printf("Hello world!\n");
 	return 0;
-}]])
+}
+]])
 	tmpfile:close()
 
 	function extra() if not cross_compile then return "gcc", "cc" end end
@@ -291,7 +292,8 @@ int main()
 {
 	std::cout << "Hello world!" << std::endl;
 	return 0;
-}]])
+}
+]])
 	tmpfile:close()
 
 	function extra() if not cross_compile then return "g++", "c++" end end