1 files changed, 29 insertions, 0 deletions
diff --git a/pkg/awk/gen.lua b/pkg/awk/gen.lua
new file mode 100644
index 00000000..cbb7e9e7
--- /dev/null
+++ b/pkg/awk/gen.lua
@@ -0,0 +1,29 @@
+cflags{
+	'-std=c90',
+	'-D _POSIX_C_SOURCE=200809L',
+	'-I $outdir',
+	'-I $srcdir',
+}
+
+yacc('gram', 'awkgram.y')
+build('copy', '$outdir/ytab.h', '$outdir/gram.tab.h')
+
+pkg.deps = {'$outdir/ytab.h'}
+
+sub('tools.ninja', function()
+	toolchain 'host'
+	cflags{'-I $outdir'}
+	exe('maketab', {'maketab.c'})
+end)
+
+rule('maketab', '(cd $outdir && ./maketab) >$out.tmp && mv $out.tmp $out')
+build('maketab', '$outdir/proctab.c', {'|', '$outdir/maketab', '$outdir/ytab.h'})
+
+exe('awk', [[
+	b.c main.c parse.c tran.c lib.c run.c lex.c
+	$outdir/(gram.tab.c proctab.c)
+]])
+file('bin/awk', '755', '$outdir/awk')
+man{'awk.1'}
+
+fetch 'git'