Merge pull request #87 from davidgiven/dtrg-travis

Get clang working on travis.

.travis.yml

@@ -20,5 +20,5 @@ matrix:
 git:
     depth: 10
 script:
-    - make PREFIX=/tmp/acki +ack
+    - make CC=$CC PREFIX=/tmp/acki +ack
 

Makefile

@@ -22,9 +22,9 @@ PREFIX = $(INSDIR)
 
 BUILDDIR = $(ACK_TEMP_DIR)/ack-build
 
-# What build flags do you want to use?
+# What build flags do you want to use for native code?
 
-CFLAGS = -g
+CFLAGS = -g -O -Wno-return-type
 LDFLAGS = 
 
 # Various commands.
@@ -120,6 +120,7 @@ $(build-file): first/ackbuilder.lua Makefile $(lua-files) $(our-lua)
 		PREFIX=$(PREFIX) \
 		AR=$(AR) \
 		CC=$(CC) \
+		CFLAGS="$(CFLAGS)" \
 		> $(build-file)
 
 install:

build.lua

@@ -1,5 +1,5 @@
 vars.cflags = {
-	"-g", "-O"
+	"$(CFLAGS)"
 }
 vars.ackcflags = {
 	"-O6"

h/con_float

@@ -237,7 +237,6 @@ float_cst(str, sz, buf)
 #endif /* USE_FLT */
 
 #ifdef CODE_GENERATOR
-void
 con_float()
 {
 	char buf[8];

mach/proto/cg/equiv.c

@@ -27,8 +27,10 @@ int maxindex;
 int regclass[NREGS];
 struct perm* perms;
 
-struct perm *
-tuples(regls,nregneeded) rl_p *regls; {
+void permute(int index);
+
+struct perm* tuples(rl_p* regls, int nregneeded)
+{
 	int class = 0;
 	register i, j;
 
@@ -36,13 +38,16 @@ tuples(regls,nregneeded) rl_p *regls; {
 	 * First compute equivalence classes of registers.
 	 */
 
-	for (i=0;i<NREGS;i++) {
+	for (i = 0; i < NREGS; i++)
+	{
 		regclass[i] = class ++;
-		if (getrefcount(i, FALSE) == 0) {
-			for (j=0;j<i;j++) {
-				if (eqregclass(i,j) &&
-				    eqtoken(&machregs[i].r_contents,
-					    &machregs[j].r_contents)) {
+		if (getrefcount(i, FALSE) == 0)
+		{
+			for (j = 0; j < i; j++)
+			{
+				if (eqregclass(i, j) && eqtoken(&machregs[i].r_contents,
+				                            &machregs[j].r_contents))
+				{
 					regclass[i] = regclass[j];
 					break;
 				}
@@ -61,20 +66,22 @@ tuples(regls,nregneeded) rl_p *regls; {
 	return (perms);
 }
 
-permute(index) {
+void permute(int index)
+{
 	register struct perm* pp;
 	register rl_p rlp;
 	register i, j;
 
-	if (index == maxindex) {
-		for (pp=perms; pp != 0; pp=pp->p_next) {
+	if (index == maxindex)
+	{
+		for (pp = perms; pp != 0; pp = pp->p_next)
+		{
 			for (i = 0; i < maxindex; i++)
 				if (regclass[rar[i]] != regclass[pp->p_rar[i]])
 					goto diff;
 			for (i = 0; i < maxindex; i++)
 				for (j = 0; j < i; j++)
-					if (clash(rar[i],rar[j]) !=
-					    clash(pp->p_rar[i],pp->p_rar[j]))
+					if (clash(rar[i], rar[j]) != clash(pp->p_rar[i], pp->p_rar[j]))
 						goto diff;
 			return;
 		diff:;
@@ -84,9 +91,12 @@ permute(index) {
 		for (i = 0; i < maxindex; i++)
 			pp->p_rar[i] = rar[i];
 		perms = pp;
-	} else {
+	}
+	else
+	{
 		rlp = lar[index];
-		for (i=rlp->rl_n-1; i>=0; i--) {
+		for (i = rlp->rl_n - 1; i >= 0; i--)
+		{
 			rar[index] = rlp->rl_list[i];
 			permute(index + 1);
 		}

mach/proto/ncg/fillem.c

@@ -83,7 +83,7 @@ extern short em_ptyp[];
 /* machine dependent */
 void con_part(int, word);
 void con_mult(word);
-void con_float(void);
+int con_float(void); /* actually returns void, but need K&R C compatibility */
 void prolog(full nlocals);
 void mes(word);