From 34988f835484e8a4fdc3e9a93930786755a63d05 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Tue, 19 Feb 2019 08:30:41 -0500
Subject: driver, compile & link mode: support arbitrary & known compiler
 wrappers.

---
 src/driver/slbt_driver_ctx.c | 39 +++++++++++++++++++++++++++++++++------
 1 file changed, 33 insertions(+), 6 deletions(-)

(limited to 'src/driver/slbt_driver_ctx.c')

diff --git a/src/driver/slbt_driver_ctx.c b/src/driver/slbt_driver_ctx.c
index a898205..da8bc76 100644
--- a/src/driver/slbt_driver_ctx.c
+++ b/src/driver/slbt_driver_ctx.c
@@ -263,12 +263,14 @@ static int slbt_split_argv(
 	bool				flast;
 	bool				fcopy;
 	size_t				size;
+	const char *			base;
 	struct argv_meta *		meta;
 	struct argv_entry *		entry;
 	struct argv_entry *		mode;
 	struct argv_entry *		config;
 	struct argv_entry *		finish;
 	struct argv_entry *		features;
+	struct argv_entry *		ccwrap;
 	const struct argv_option **	popt;
 	const struct argv_option **	optout;
 	const struct argv_option *	optv[SLBT_OPTV_ELEMENTS];
@@ -311,7 +313,7 @@ static int slbt_split_argv(
 	}
 
 	/* missing all of --mode, --config, --features, and --finish? */
-	mode = config = finish = features = 0;
+	mode = config = finish = features = ccwrap = 0;
 
 	for (entry=meta->entries; entry->fopt; entry++)
 		if (entry->tag == TAG_MODE)
@@ -322,6 +324,8 @@ static int slbt_split_argv(
 			finish = entry;
 		else if (entry->tag == TAG_FEATURES)
 			features = entry;
+		else if (entry->tag == TAG_CCWRAP)
+			ccwrap = entry;
 
 	argv_free(meta);
 
@@ -422,8 +426,8 @@ static int slbt_split_argv(
 	argv = sargv->dargv;
 
 	/* allocate split vectors */
-	if ((sargv->targv = calloc(2*(argc+1),sizeof(char *))))
-		sargv->cargv = sargv->targv + argc + 1;
+	if ((sargv->targv = calloc(2*(argc+2),sizeof(char *))))
+		sargv->cargv = sargv->targv + argc + 2;
 	else
 		return -1;
 
@@ -441,13 +445,32 @@ static int slbt_split_argv(
 	for (i=0; i<ctx.unitidx; i++)
 		sargv->targv[i] = argv[i];
 
+	/* split vector marks */
+	targv = sargv->targv + i;
+	cargv = sargv->cargv;
+
+	/* known wrappers */
+	if (ctx.unitidx && !ccwrap) {
+		if ((base = strrchr(argv[i],'/')))
+			base++;
+		else if ((base = strrchr(argv[i],'\\')))
+			base++;
+		else
+			base = argv[i];
+
+		if (!strcmp(base,"ccache")
+				|| !strcmp(base,"distcc")
+				|| !strcmp(base,"compiler")
+				|| !strcmp(base,"purify")) {
+			*targv++ = "--ccwrap";
+			*targv++ = argv[i++];
+		}
+	}
+
 	/* split vectors: legacy mixture */
 	for (optout=optv; optout[0]->tag != TAG_OUTPUT; optout++)
 		(void)0;
 
-	targv = sargv->targv + i;
-	cargv = sargv->cargv;
-
 	for (; i<argc; i++) {
 		if (argv[i][0] != '-') {
 			if (argv[i+1] && (argv[i+1][0] == '+')
@@ -1332,6 +1355,10 @@ int slbt_get_driver_ctx(
 
 					break;
 
+				case TAG_CCWRAP:
+					cctx.ccwrap = entry->arg;
+					break;
+
 				case TAG_IMPLIB:
 					if (!strcmp("idata",entry->arg)) {
 						cctx.drvflags |= SLBT_DRIVER_IMPLIB_IDATA;
-- 
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