Source: magicfilter Version: 1.2-65 Severity: normal Tags: patch User: reproducible-builds@lists.alioth.debian.org Usertags: buildpath X-Debbugs-Cc: reproducible-bugs@lists.alioth.debian.org The file /usr/sbin/magicfilter has a different buildid when the build path changes: https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/diffoscope-results/magicfilter.html GNU 0x00000014» NT_GNU_BUILD_ID·(unique·build·ID·bitstring)» Build·ID:·c89260c14a143b70d63d924b4712c4b35c03a23c vs. GNU 0x00000014» NT_GNU_BUILD_ID·(unique·build·ID·bitstring)» Build·ID:·487f927ccc177675cac6867f716c97792fc359c4 The attached patch fixes this in debian/rules by passing -ffile-prefix-map via CFLAGS. live well, vagrant
From 668483cdcf842b4b0f36c0f4b58a98db6baec202 Mon Sep 17 00:00:00 2001 From: Vagrant Cascadian <vagrant@reproducible-builds.org> Date: Sun, 20 Dec 2020 19:32:03 +0000 Subject: [PATCH 3/4] debian/rules: Use -ffile-prefix-map in CFLAGS to ensure reproducible builds. https://tests.reproducible-builds.org/debian/issues/unstable/gcc_captures_build_path_issue.html --- debian/rules | 3 +++ 1 file changed, 3 insertions(+) diff --git a/debian/rules b/debian/rules index 12bce98..572fedc 100755 --- a/debian/rules +++ b/debian/rules @@ -18,6 +18,9 @@ else CFLAGS += -Os endif +# Set -ffile-prefix-map for reproducible builds regardless of build path +CFLAGS += -ffile-prefix-map=$(CURDIR)=. + build: ln -sf /usr/share/misc/config.sub . ln -sf /usr/share/misc/config.guess . -- 2.20.1
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