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[PATCH 1/3] traces: show the full m4 invocation
From: |
Akim Demaille |
Subject: |
[PATCH 1/3] traces: show the full m4 invocation |
Date: |
Fri, 22 May 2020 20:31:53 +0200 |
Unfortunately the effect of -dV is still position independent.
* src/output.c (output_skeleton): here.
---
src/output.c | 26 +++++++++++++++-----------
1 file changed, 15 insertions(+), 11 deletions(-)
diff --git a/src/output.c b/src/output.c
index 1871fd75..5bee092d 100644
--- a/src/output.c
+++ b/src/output.c
@@ -698,17 +698,6 @@ output_skeleton (void)
/* Create an m4 subprocess connected to us via two pipes. */
- if (trace_flag & trace_tools)
- fprintf (stderr, "running: %s %s - %s %s\n",
- m4, m4sugar, m4bison, skel);
-
- /* Some future version of GNU M4 (most likely 1.6) may treat the -dV in a
- position-dependent manner. Keep it as the first argument so that all
- files are traced.
-
- See the thread starting at
- <http://lists.gnu.org/archive/html/bug-bison/2008-07/msg00000.html>
- for details. */
int filter_fd[2];
pid_t pid;
{
@@ -730,6 +719,13 @@ output_skeleton (void)
argv[i++] = "-I";
argv[i++] = datadir;
+ /* Some future version of GNU M4 (most likely 1.6) may treat the
+ -dV in a position-dependent manner. Keep it as the first
+ argument so that all files are traced.
+
+ See the thread starting at
+ <http://lists.gnu.org/archive/html/bug-bison/2008-07/msg00000.html>
+ for details. */
if (trace_flag & trace_m4)
argv[i++] = "-dV";
argv[i++] = m4sugar;
@@ -739,6 +735,14 @@ output_skeleton (void)
argv[i++] = NULL;
aver (i <= ARRAY_CARDINALITY (argv));
+ if (trace_flag & trace_tools)
+ {
+ fputs ("running:", stderr);
+ for (int j = 0; argv[j]; ++j)
+ fprintf (stderr, " %s", argv[j]);
+ fputc ('\n', stderr);
+ }
+
/* The ugly cast is because gnulib gets the const-ness wrong. */
pid = create_pipe_bidi ("m4", m4, (char **)(void*)argv, false, true,
true, filter_fd);
--
2.26.2