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From: Philipp Psurek <philipp.psurek@gmail.com>
To: Simon Wunderlich <sw@simonwunderlich.de>,
	b.a.t.m.a.n@lists.open-mesh.org
Subject: Re: [B.A.T.M.A.N.] [PATCH] batctl: suppress implicit-fallthrough compiler warning
Date: Sat, 03 Jun 2017 12:31:53 +0200	[thread overview]
Message-ID: <1496485913.22967.4.camel@gmail.com> (raw)
In-Reply-To: <1496484820.22967.2.camel@gmail.com>

OK, sorry for the many posts ... there was some trouble recognizing the
used compiler with the last patch. This now really do the work:

diff --git a/Makefile b/Makefile
index 6bebb7d..7123d83 100755
--- a/Makefile
+++ b/Makefile
@@ -101,6 +101,11 @@ MKDIR ?= mkdir -p
 COMPILE.c = $(Q_CC)$(CC) $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c
 LINK.o = $(Q_LD)$(CC) $(CFLAGS) $(LDFLAGS) $(TARGET_ARCH)
 
+# Check for GCC >=7
+ifeq ($(shell $(CC) -x c++ --std=c++17 -E -P - <<< __cplusplus),201703L)
+	CFLAGS += -Wimplicit-fallthrough=2
+endif
+
 # standard install paths
 PREFIX = /usr/local
 SBINDIR = $(PREFIX)/sbin


  reply	other threads:[~2017-06-03 10:31 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-29 17:09 [B.A.T.M.A.N.] [batctl] compiling with gcc 7.1.0: there are some notes and warnings Philipp Psurek
2017-06-01  8:34 ` Simon Wunderlich
2017-06-03  2:14   ` Philipp Psurek
2017-06-03  3:12   ` [B.A.T.M.A.N.] [PATCH] batctl: suppress implicit-fallthrough compiler warning Philipp Psurek
2017-06-03 10:13     ` Philipp Psurek
2017-06-03 10:31       ` Philipp Psurek [this message]
2017-06-03  3:40   ` [B.A.T.M.A.N.] [PATCH] batctl: change PATH_BUFF_LEN to maximal possible value Philipp Psurek
2017-06-13  8:25 ` [B.A.T.M.A.N.] [batctl] compiling with gcc 7.1.0: there are some notes and warnings Philipp Psurek
2017-06-13  8:25   ` [B.A.T.M.A.N.] [PATCH 1/2] batctl: change PATH_BUFF_LEN to maximal possible value Philipp Psurek
2017-06-13  8:49     ` Simon Wunderlich
2017-06-13  8:26   ` [B.A.T.M.A.N.] [PATCH 2/2] batctl: suppress implicit-fallthrough compiler warning Philipp Psurek
2017-06-13  8:48     ` Simon Wunderlich
2017-06-13 10:39       ` [B.A.T.M.A.N.] [PATCH 2/2] batctl: suppress implicit-fallthrough compiler Philipp Psurek
2017-06-13 10:39         ` [B.A.T.M.A.N.] [PATCH] batctl: suppress implicit-fallthrough compiler warning Philipp Psurek
2017-06-13 11:08         ` [B.A.T.M.A.N.] [PATCH 2/2] " Philipp Psurek
2017-06-13 11:08           ` [B.A.T.M.A.N.] [PATCH] " Philipp Psurek
2017-06-13 11:46             ` Simon Wunderlich
2017-06-13 11:53               ` Sven Eckelmann
2017-06-13 11:55                 ` Sven Eckelmann
2017-06-13 12:25                   ` Philipp Psurek
2017-06-13  8:42   ` [B.A.T.M.A.N.] [batctl] compiling with gcc 7.1.0: there are some notes and warnings Simon Wunderlich

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