Description: trim build path from config_vars.
 This is done in hope to improve build reproducibility.
Author: Étienne Mollier <emollier@debian.org>
Forwarded: no
Last-Update: 2022-10-19
---
This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
--- htslib.orig/Makefile
+++ htslib/Makefile
@@ -163,7 +163,9 @@
 config_vars.h:
 	echo '#define HTS_CC "$(CC)"' > $@
 	echo '#define HTS_CPPFLAGS "$(CPPFLAGS)"' >> $@
-	echo '#define HTS_CFLAGS "$(CFLAGS)"' >> $@
+	echo '#define HTS_CFLAGS "$(CFLAGS)"' \
+	| sed 's/-ffile-prefix-map=[^ ]*=.//' \
+	>> $@
 	echo '#define HTS_LDFLAGS "$(LDFLAGS)"' >> $@
 	echo '#define HTS_LIBS "$(LIBS)"' >> $@