test/bench/shootout: support windows

1. fix executable extension (a.out -> a.exe).
2. fix pthread build error on mingw
3. if depends lib messing, skip the test

LGTM=iant
R=golang-codereviews, iant
CC=golang-codereviews
https://codereview.appspot.com/100210043

Committer: Ian Lance Taylor <iant@golang.org>

2 files changed, 105 insertions, 64 deletions

diff --git a/test/bench/shootout/threadring.c b/test/bench/shootout/threadring.c
index a518134ba..606db71dc 100644
--- a/test/bench/shootout/threadring.c
+++ b/test/bench/shootout/threadring.c
@@ -41,8 +41,12 @@ POSSIBILITY OF SUCH DAMAGE.
 #include <string.h>
 #include <limits.h>
 
-#define THREADS (503)
+// PTHREAD_STACK_MIN undeclared on mingw
+#ifndef PTHREAD_STACK_MIN
+#define PTHREAD_STACK_MIN 65535
+#endif
 
+#define THREADS (503)
 
 struct stack {
    char x[PTHREAD_STACK_MIN];
@@ -94,7 +98,13 @@ int main(int argc, char **argv)
       pthread_mutex_init(mutex + i, NULL);
       pthread_mutex_lock(mutex + i);
 
+#if defined(__MINGW32__) || defined(__MINGW64__)
+      pthread_attr_setstackaddr(&stack_attr, &stacks[i]);
+      pthread_attr_setstacksize(&stack_attr, sizeof(struct stack));
+#else
       pthread_attr_setstack(&stack_attr, &stacks[i], sizeof(struct stack));
+#endif
+
       pthread_create(&cthread, &stack_attr, thread, (void*)(uintptr_t)i);
    }
 
diff --git a/test/bench/shootout/timing.sh b/test/bench/shootout/timing.sh
index 2db895c26..a06c326c3 100755
--- a/test/bench/shootout/timing.sh
+++ b/test/bench/shootout/timing.sh
@@ -18,6 +18,33 @@ case "$O" in
 	gccm=-m64;;
 esac
 
+EXE="out"
+havepcre=true
+haveglib=true
+havegmp=true
+case "$(uname)" in
+*MINGW* | *WIN32* | *CYGWIN*)
+	havepcre=false
+	haveglib=false
+	havegmp=false
+	if which pkg-config >/dev/null 2>&1; then
+		if pkg-config --cflags libpcre >/dev/null 2>&1
+		then
+			echo "havepcre"
+			havepcre=true
+		fi
+		if pkg-config --cflags glib-2.0 >/dev/null 2>&1
+		then
+			haveglib=true
+		fi
+		if pkg-config --cflags gmp >/dev/null 2>&1
+		then
+			havegmp=true
+		fi
+	fi
+	EXE=exe;;
+esac
+
 PATH=.:$PATH
 
 havegccgo=false
@@ -34,11 +61,11 @@ X-test)
 esac
 
 gc() {
-	$GC $1.go; $LD $1.$O
+	$GC $1.go; $LD -o $O.$EXE $1.$O
 }
 
 gc_B() {
-	$GC -B $1.go; $LD $1.$O
+	$GC -B $1.go; $LD -o $O.$EXE $1.$O
 }
 
 runonly() {
@@ -86,122 +113,126 @@ run() {
 
 fasta() {
 	runonly echo 'fasta -n 25000000'
-	run "gcc $gccm -O2 fasta.c" a.out 25000000
-	run 'gccgo -O2 fasta.go' a.out -n 25000000	#commented out until WriteString is in bufio
-	run 'gc fasta' $O.out -n 25000000
-	run 'gc_B fasta' $O.out -n 25000000
+	run "gcc $gccm -O2 fasta.c" a.$EXE 25000000
+	run 'gccgo -O2 fasta.go' a.$EXE -n 25000000	#commented out until WriteString is in bufio
+	run 'gc fasta' $O.$EXE -n 25000000
+	run 'gc_B fasta' $O.$EXE -n 25000000
 }
 
 revcomp() {
 	runonly gcc -O2 fasta.c
-	runonly a.out 25000000 > x
+	runonly a.$EXE 25000000 > x
 	runonly echo 'reverse-complement < output-of-fasta-25000000'
-	run "gcc $gccm -O2 reverse-complement.c" a.out < x
-	run 'gccgo -O2 reverse-complement.go' a.out < x
-	run 'gc reverse-complement' $O.out < x
-	run 'gc_B reverse-complement' $O.out < x
+	run "gcc $gccm -O2 reverse-complement.c" a.$EXE < x
+	run 'gccgo -O2 reverse-complement.go' a.$EXE < x
+	run 'gc reverse-complement' $O.$EXE < x
+	run 'gc_B reverse-complement' $O.$EXE < x
 	rm x
 }
 
 nbody() {
 	runonly echo 'nbody -n 50000000'
-	run "gcc $gccm -O2 nbody.c -lm" a.out 50000000
-	run 'gccgo -O2 nbody.go' a.out -n 50000000
-	run 'gc nbody' $O.out -n 50000000
-	run 'gc_B nbody' $O.out -n 50000000
+	run "gcc $gccm -O2 nbody.c -lm" a.$EXE 50000000
+	run 'gccgo -O2 nbody.go' a.$EXE -n 50000000
+	run 'gc nbody' $O.$EXE -n 50000000
+	run 'gc_B nbody' $O.$EXE -n 50000000
 }
 
 binarytree() {
 	runonly echo 'binary-tree 15 # too slow to use 20'
-	run "gcc $gccm -O2 binary-tree.c -lm" a.out 15
-	run 'gccgo -O2 binary-tree.go' a.out -n 15
-	run 'gccgo -O2 binary-tree-freelist.go' a.out -n 15
-	run 'gc binary-tree' $O.out -n 15
-	run 'gc binary-tree-freelist' $O.out -n 15
+	run "gcc $gccm -O2 binary-tree.c -lm" a.$EXE 15
+	run 'gccgo -O2 binary-tree.go' a.$EXE -n 15
+	run 'gccgo -O2 binary-tree-freelist.go' a.$EXE -n 15
+	run 'gc binary-tree' $O.$EXE -n 15
+	run 'gc binary-tree-freelist' $O.$EXE -n 15
 }
 
 fannkuch() {
 	runonly echo 'fannkuch 12'
-	run "gcc $gccm -O2 fannkuch.c" a.out 12
-	run 'gccgo -O2 fannkuch.go' a.out -n 12
-	run 'gccgo -O2 fannkuch-parallel.go' a.out -n 12
-	run 'gc fannkuch' $O.out -n 12
-	run 'gc fannkuch-parallel' $O.out -n 12
-	run 'gc_B fannkuch' $O.out -n 12
+	run "gcc $gccm -O2 fannkuch.c" a.$EXE 12
+	run 'gccgo -O2 fannkuch.go' a.$EXE -n 12
+	run 'gccgo -O2 fannkuch-parallel.go' a.$EXE -n 12
+	run 'gc fannkuch' $O.$EXE -n 12
+	run 'gc fannkuch-parallel' $O.$EXE -n 12
+	run 'gc_B fannkuch' $O.$EXE -n 12
 }
 
 regexdna() {
 	runonly gcc -O2 fasta.c
-	runonly a.out 100000 > x
+	runonly a.$EXE 100000 > x
 	runonly echo 'regex-dna 100000'
-	run "gcc $gccm -O2 regex-dna.c -lpcre" a.out <x
-	run 'gccgo -O2 regex-dna.go' a.out <x
-	run 'gccgo -O2 regex-dna-parallel.go' a.out <x
-	run 'gc regex-dna' $O.out <x
-	run 'gc regex-dna-parallel' $O.out <x
-	run 'gc_B regex-dna' $O.out <x
+	if  $havepcre; then
+		run "gcc $gccm -O2 regex-dna.c $(pkg-config libpcre --cflags --libs)" a.$EXE <x
+	fi
+	run 'gccgo -O2 regex-dna.go' a.$EXE <x
+	run 'gccgo -O2 regex-dna-parallel.go' a.$EXE <x
+	run 'gc regex-dna' $O.$EXE <x
+	run 'gc regex-dna-parallel' $O.$EXE <x
+	run 'gc_B regex-dna' $O.$EXE <x
 	rm x
 }
 
 spectralnorm() {
 	runonly echo 'spectral-norm 5500'
-	run "gcc $gccm -O2 spectral-norm.c -lm" a.out 5500
-	run 'gccgo -O2 spectral-norm.go' a.out -n 5500
-	run 'gc spectral-norm' $O.out -n 5500
-	run 'gc_B spectral-norm' $O.out -n 5500
+	run "gcc $gccm -O2 spectral-norm.c -lm" a.$EXE 5500
+	run 'gccgo -O2 spectral-norm.go' a.$EXE -n 5500
+	run 'gc spectral-norm' $O.$EXE -n 5500
+	run 'gc_B spectral-norm' $O.$EXE -n 5500
 }
 
 knucleotide() {
 	runonly gcc -O2 fasta.c
-	runonly a.out 1000000 > x  # should be using 25000000
+	runonly a.$EXE 1000000 > x  # should be using 25000000
 	runonly echo 'k-nucleotide 1000000'
-	if [ $mode = run ]; then
-		run "gcc -O2 k-nucleotide.c $(pkg-config glib-2.0 --cflags --libs)" a.out <x
+	if [ $mode = run ] && $haveglib; then
+		run "gcc -O2 k-nucleotide.c $(pkg-config glib-2.0 --cflags --libs)" a.$EXE <x
 	fi
-	run 'gccgo -O2 k-nucleotide.go' a.out <x
-	run 'gccgo -O2 k-nucleotide-parallel.go' a.out <x
-	run 'gc k-nucleotide' $O.out <x
-	run 'gc k-nucleotide-parallel' $O.out <x
-	run 'gc_B k-nucleotide' $O.out <x
+	run 'gccgo -O2 k-nucleotide.go' a.$EXE <x
+	run 'gccgo -O2 k-nucleotide-parallel.go' a.$EXE <x
+	run 'gc k-nucleotide' $O.$EXE <x
+	run 'gc k-nucleotide-parallel' $O.$EXE <x
+	run 'gc_B k-nucleotide' $O.$EXE <x
 	rm x
 }
 
 mandelbrot() {
 	runonly echo 'mandelbrot 16000'
-	run "gcc $gccm -O2 mandelbrot.c" a.out 16000
-	run 'gccgo -O2 mandelbrot.go' a.out -n 16000
-	run 'gc mandelbrot' $O.out -n 16000
-	run 'gc_B mandelbrot' $O.out -n 16000
+	run "gcc $gccm -O2 mandelbrot.c" a.$EXE 16000
+	run 'gccgo -O2 mandelbrot.go' a.$EXE -n 16000
+	run 'gc mandelbrot' $O.$EXE -n 16000
+	run 'gc_B mandelbrot' $O.$EXE -n 16000
 }
 
 meteor() {
 	runonly echo 'meteor 2098'
-	run "gcc $gccm -O2 meteor-contest.c" a.out 2098
-	run 'gccgo -O2 meteor-contest.go' a.out -n 2098
-	run 'gc meteor-contest' $O.out -n 2098
-	run 'gc_B  meteor-contest' $O.out -n 2098
+	run "gcc $gccm -O2 meteor-contest.c" a.$EXE 2098
+	run 'gccgo -O2 meteor-contest.go' a.$EXE -n 2098
+	run 'gc meteor-contest' $O.$EXE -n 2098
+	run 'gc_B  meteor-contest' $O.$EXE -n 2098
 }
 
 pidigits() {
 	runonly echo 'pidigits 10000'
-	run "gcc $gccm -O2 pidigits.c -lgmp" a.out 10000
-	run 'gccgo -O2 pidigits.go' a.out -n 10000
-	run 'gc pidigits' $O.out -n 10000
-	run 'gc_B  pidigits' $O.out -n 10000
+	if  $havegmp; then
+		run "gcc $gccm -O2 pidigits.c -lgmp" a.$EXE 10000
+	fi
+	run 'gccgo -O2 pidigits.go' a.$EXE -n 10000
+	run 'gc pidigits' $O.$EXE -n 10000
+	run 'gc_B  pidigits' $O.$EXE -n 10000
 }
 
 threadring() {
 	runonly echo 'threadring 50000000'
-	run "gcc $gccm -O2 threadring.c -lpthread" a.out 50000000
-	run 'gccgo -O2 threadring.go' a.out -n 50000000
-	run 'gc threadring' $O.out -n 50000000
+	run "gcc $gccm -O2 threadring.c -lpthread" a.$EXE 50000000
+	run 'gccgo -O2 threadring.go' a.$EXE -n 50000000
+	run 'gc threadring' $O.$EXE -n 50000000
 }
 
 chameneos() {
 	runonly echo 'chameneos 6000000'
-	run "gcc $gccm -O2 chameneosredux.c -lpthread" a.out 6000000
-	run 'gccgo -O2 chameneosredux.go' a.out 6000000
-	run 'gc chameneosredux' $O.out 6000000
+	run "gcc $gccm -O2 chameneosredux.c -lpthread" a.$EXE 6000000
+	run 'gccgo -O2 chameneosredux.go' a.$EXE 6000000
+	run 'gc chameneosredux' $O.$EXE 6000000
 }
 
 case $# in