From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from ptx.hi.pengutronix.de ([2001:6f8:1178:2:5054:ff:fec0:8e10] ident=Debian-exim) by metis.ext.pengutronix.de with esmtp (Exim 4.72) (envelope-from ) id 1UHyX4-0002Df-QC for ptxdist@pengutronix.de; Tue, 19 Mar 2013 16:32:58 +0100 Received: from mol by ptx.hi.pengutronix.de with local (Exim 4.72) (envelope-from ) id 1UHyX2-0008JI-ON for ptxdist@pengutronix.de; Tue, 19 Mar 2013 16:32:56 +0100 Date: Tue, 19 Mar 2013 16:32:56 +0100 From: Michael Olbrich Message-ID: <20130319153256.GC30288@pengutronix.de> References: <1363263396-10029-1-git-send-email-post@lespocky.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1363263396-10029-1-git-send-email-post@lespocky.de> Subject: Re: [ptxdist] [PATCH] libmodbus3: add patch for fixing alignment problem on arm Reply-To: ptxdist@pengutronix.de List-Id: PTXdist Development Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: ptxdist-bounces@pengutronix.de Errors-To: ptxdist-bounces@pengutronix.de To: ptxdist@pengutronix.de On Thu, Mar 14, 2013 at 01:16:36PM +0100, Alexander Dahl wrote: > We use -Wcast-align on ARMv5 platform and libmodbus3 sets -Werror > which leads to a failing build in one case. This patch fixes the > alignment problem. Upstream pull requested. Hmm, this is just unit test stuff, right? We don't actually need this. Maybe we should do this instead: LIBMODBUS3_MAKE_OPT := -C src LIBMODBUS3_INSTALL_OPT := -C src install Michael > Signed-off-by: Alexander Dahl > --- > ...nt-problem-build-fails-with-Werror-and-Wc.patch | 33 ++++++++++++++++++++ > patches/libmodbus-3.0.3/series | 4 ++ > 2 files changed, 37 insertions(+), 0 deletions(-) > create mode 100644 patches/libmodbus-3.0.3/0001-fix-alignment-problem-build-fails-with-Werror-and-Wc.patch > create mode 100644 patches/libmodbus-3.0.3/series > > diff --git a/patches/libmodbus-3.0.3/0001-fix-alignment-problem-build-fails-with-Werror-and-Wc.patch b/patches/libmodbus-3.0.3/0001-fix-alignment-problem-build-fails-with-Werror-and-Wc.patch > new file mode 100644 > index 0000000..88db0df > --- /dev/null > +++ b/patches/libmodbus-3.0.3/0001-fix-alignment-problem-build-fails-with-Werror-and-Wc.patch > @@ -0,0 +1,33 @@ > +From: Alexander Dahl > +Date: Wed, 13 Mar 2013 16:45:04 +0100 > +Subject: [PATCH] fix alignment problem (build fails with -Werror and > + -Wcast-align on ARMv5 platform) > + > +--- > + tests/unit-test-client.c | 6 ++++-- > + 1 file changed, 4 insertions(+), 2 deletions(-) > + > +diff --git a/tests/unit-test-client.c b/tests/unit-test-client.c > +index 533e6a7..7c3c64d 100644 > +--- a/tests/unit-test-client.c > ++++ b/tests/unit-test-client.c > +@@ -41,6 +41,7 @@ int main(int argc, char *argv[]) > + int nb_points; > + int rc; > + float real; > ++ uint32_t ireal; > + struct timeval old_response_timeout; > + struct timeval response_timeout; > + int use_backend; > +@@ -325,8 +326,9 @@ int main(int argc, char *argv[]) > + tab_rp_registers[0] == (UT_IREAL & 0xFFFF)) { > + printf("OK\n"); > + } else { > +- printf("FAILED (%x != %x)\n", > +- *((uint32_t *)tab_rp_registers), UT_IREAL); > ++ ireal = (uint32_t) tab_rp_registers[0] & 0xFFFF; > ++ ireal |= (uint32_t) tab_rp_registers[1] << 16; > ++ printf("FAILED (%x != %x)\n", ireal, UT_IREAL); > + goto close; > + } > + > diff --git a/patches/libmodbus-3.0.3/series b/patches/libmodbus-3.0.3/series > new file mode 100644 > index 0000000..9d8674a > --- /dev/null > +++ b/patches/libmodbus-3.0.3/series > @@ -0,0 +1,4 @@ > +# generated by git-ptx-patches > +#tag:base --start-number 1 > +0001-fix-alignment-problem-build-fails-with-Werror-and-Wc.patch > +# d7fc60de785d0108680a1d6983f01a48 - git-ptx-patches magic > -- > 1.7.2.5 > > > -- > ptxdist mailing list > ptxdist@pengutronix.de > -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | -- ptxdist mailing list ptxdist@pengutronix.de