From e2e5e98bcd0badcd437b8a67aa0986ed6d6678a9 Mon Sep 17 00:00:00 2001
From: Michael Forney <mforney@mforney.org>
Date: Fri, 5 Jul 2019 20:31:33 -0700
Subject: Use a separate preprocessor rule

Otherwise, we end up passing both -c and -E to the compiler.
---
 pkg/strace/gen.lua | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

(limited to 'pkg/strace')

diff --git a/pkg/strace/gen.lua b/pkg/strace/gen.lua
index b60effb6..f016398e 100644
--- a/pkg/strace/gen.lua
+++ b/pkg/strace/gen.lua
@@ -8,9 +8,7 @@ cflags{
 	'-I $outdir',
 }
 
-build('cc', '$outdir/ioctl_iocdef.i', '$srcdir/ioctl_iocdef.c', {
-	cflags='$cflags -P -E -MT $outdir/ioctl_iocdef.i',
-})
+build('cpp', '$outdir/ioctl_iocdef.i', '$srcdir/ioctl_iocdef.c')
 build('sed', '$outdir/ioctl_iocdef.h', '$outdir/ioctl_iocdef.i', {
 	expr=[[-n 's/^DEFINE HOST/#define /p']],
 })
@@ -41,8 +39,8 @@ end)
 
 local mpers = lines('mpers.txt')
 for _, f in ipairs(mpers) do
-	build('cc', '$outdir/'..f..'.mpers.i', '$srcdir/'..f, {
-		cflags='$cflags -P -E -MT $outdir/'..f..'.mpers.i -DIN_MPERS_BOOTSTRAP',
+	build('cpp', '$outdir/'..f..'.mpers.i', '$srcdir/'..f, {
+		cflags='$cflags -DIN_MPERS_BOOTSTRAP',
 	})
 end
 
@@ -56,9 +54,7 @@ makempers('printers.h', 'printers.awk')
 makempers('native_printer_decls.h', 'printerdecls.awk')
 makempers('native_printer_defs.h', 'printerdefs.awk')
 
-build('cc', '$outdir/syscallent.i', '$srcdir/linux/x86_64/syscallent.h', {
-	cflags='$cflags -P -E -MT $outdir/syscallent.i',
-})
+build('cpp', '$outdir/syscallent.i', '$srcdir/linux/x86_64/syscallent.h')
 build('awk', '$outdir/scno-syscallent.h', {'$outdir/syscallent.i', '|', '$dir/scno.awk'}, {
 	expr='-f $dir/scno.awk',
 })
-- 
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