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[209.91.167.254]) by smtp.gmail.com with ESMTPSA id af79cd13be357-9364a52dbeesm94187285a.30.2026.08.04.23.37.36 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 04 Aug 2026 23:37:37 -0700 (PDT) From: Trevor Woerner To: gcc-patches@gcc.gnu.org Subject: [PATCH 2/3] libga68: do not record the source directory in generated sources Date: Wed, 5 Aug 2026 02:37:28 -0400 Message-ID: <20260805063729.3492311-2-twoerner@gmail.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260805063729.3492311-1-twoerner@gmail.com> References: <20260805063729.3492311-1-twoerner@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-8.6 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP shortcircuit=no autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gcc-patches-bounces~patchwork=sourceware.org@gcc.gnu.org sppp.awk writes a header comment naming the file it was generated from, using awk's FILENAME. The makefile rule invokes it as $(AWK) -f $(srcdir)/sppp.awk $< > $@ so FILENAME is $(srcdir)/standard.a68.in, and for an out-of-tree build with an absolute srcdir the resulting standard.a68 begins with { This is auto-generated from /abs/path/to/libga68/standard.a68.in. Do not edit. } The content of a generated source therefore depends on where the tree was unpacked. That is a reproducibility problem in its own right, and it leaks the build directory into anything that ships the generated source, such as a distribution's debug-source package. Print only the file name, which is what the comment is for. Assisted by: Codex (Claude Opus 5) libga68/ChangeLog: * sppp.awk: Strip any directory prefix from FILENAME in the generated header comment. Signed-off-by: Trevor Woerner --- libga68/sppp.awk | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/libga68/sppp.awk b/libga68/sppp.awk index 8ab94bac6363..97a2fb825b3e 100644 --- a/libga68/sppp.awk +++ b/libga68/sppp.awk @@ -29,7 +29,9 @@ BEGIN { } /^[ \t]*\{ Process this file/ { - print "{ This is auto-generated from " FILENAME ". Do not edit. }" + srcfile = FILENAME + sub (/^.*\//, "", srcfile) + print "{ This is auto-generated from " srcfile ". Do not edit. }" next }