44 lines
1.4 KiB
Diff
44 lines
1.4 KiB
Diff
--- a/src/files.c
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+++ b/src/files.c
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@@ -560,9 +560,9 @@ pkgdatadir (void)
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char const *
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m4path (void)
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{
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- char const *m4 = getenv ("M4");
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+ char const *m4 = getenv ("STAGING_DIR_HOST");
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if (m4)
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- return m4;
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+ return strcat(getenv ("STAGING_DIR_HOST"), "/bin/m4");
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/* We don't use relocate2() to store the temporary buffer and re-use
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it, because m4path() is only called once. */
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--- a/src/getargs.c
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+++ b/src/getargs.c
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@@ -373,11 +373,13 @@ usage (int status)
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A --long option is required.
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Otherwise, add exceptions to ../build-aux/cross-options.pl. */
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- printf (_("Usage: %s [OPTION]... FILE\n"), program_name);
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+ printf (_("Usage: STAGING_DIR_HOST=... %s [OPTION]... FILE\n"), program_name);
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fputs (_("\
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Generate a deterministic LR or generalized LR (GLR) parser employing\n\
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LALR(1), IELR(1), or canonical LR(1) parser tables.\n\
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\n\
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+Environment Variable STAGING_DIR_HOST controls path to m4\n\
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+\n\
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"), stdout);
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fputs (_("\
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@@ -450,6 +452,11 @@ Output Files:\n\
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-M, --file-prefix-map=OLD=NEW replace prefix OLD with NEW when writing file paths\n\
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in output files\n\
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"), stdout);
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+
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+ fputs (_("\
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+Environment Variables:\n\
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+ STAGING_DIR_HOST Path to m4 is [STAGING_DIR_HOST]/bin/m4\n\
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+"), stdout);
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putc ('\n', stdout);
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argmatch_report_usage (stdout);
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