Add -if to autoreconf to ensure clean build

[Jason Bacon <bacon%NetBSD.org@localhost>]

Module Name:	pkgsrc-wip
Committed By:	Jason Bacon <bacon%NetBSD.org@localhost>
Pushed By:	outpaddling
Date:		Wed Jul 22 10:04:21 2020 -0500
Changeset:	a5aedb7fcf1c77921c1ca740ba4690ab529740ea

Modified Files:
	htslib/Makefile

Log Message:
Add -if to autoreconf to ensure clean build

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=a5aedb7fcf1c77921c1ca740ba4690ab529740ea

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

diffstat:
 htslib/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diffs:
diff --git a/htslib/Makefile b/htslib/Makefile
index 3f22e4edc8..ff598c69be 100644
--- a/htslib/Makefile
+++ b/htslib/Makefile
@@ -24,7 +24,7 @@ PKGCONFIG_OVERRIDE=	htslib.pc.in
 TEST_TARGET=		test
 
 pre-configure:
-	cd ${WRKSRC} && autoreconf
+	cd ${WRKSRC} && autoreconf -if
 
 .include "../../archivers/bzip2/buildlink3.mk"
 .include "../../archivers/xz/buildlink3.mk"