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https://issues.apache.org/jira/browse/AXIS2C-1362?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12841681#action_12841681
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S.Uthaiyashankar commented on AXIS2C-1362:
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Return value is checked and error is reported.
> Compile with -D_FORTIFY_SOURCE=2 results in warnings which fail build
> ---------------------------------------------------------------------
>
> Key: AXIS2C-1362
> URL: https://issues.apache.org/jira/browse/AXIS2C-1362
> Project: Axis2-C
> Issue Type: Bug
> Components: build system (Unix/Linux)
> Environment: Configure command:
> CLASSPATH="" CFLAGS="-O2 -g -D_FORTIFY_SOURCE=2 -fstack-protector"
> CXXFLAGS="-O2 -g -D_FORTIFY_SOURCE=2 -fstack-protector " CPPFLAGS=""
> LDFLAGS="-g -O1 " CC=gcc CXX=g++ ./configure --prefix=/usr
> --exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin --sysconfdir=/etc
> --datadir=/usr/share --includedir=/usr/include --libdir=/usr/lib64
> --libexecdir=/usr/libexec --localstatedir=/var --sharedstatedir=/usr/com
> --mandir=/usr/share/man --infodir=/usr/share/info
> Reporter: Adam Chasen
> Assignee: S.Uthaiyashankar
> Priority: Minor
> Fix For: 1.7.0
>
>
> There are warnings (which are treated as errors due to -Werror) which fail
> the build in:
> /bin/sh ../libtool --tag=CC --mode=compile gcc -DHAVE_CONFIG_H -I. -I..
> -I../include -O2 -g -D_FORTIFY_SOURCE=2 -fstack-protector
> -D_LARGEFILE64_SOURCE -ansi -Wall -Werror -Wno-implicit-function-declaration
> -D_GNU_SOURCE -MT dir_handler.lo -MD -MP -MF .deps/dir_handler.Tpo -c -o
> dir_handler.lo dir_handler.c
> gcc -DHAVE_CONFIG_H -I. -I.. -I../include -O2 -g -D_FORTIFY_SOURCE=2
> -fstack-protector -D_LARGEFILE64_SOURCE -ansi -Wall -Werror
> -Wno-implicit-function-declaration -D_GNU_SOURCE -MT dir_handler.lo -MD -MP
> -MF .deps/dir_handler.Tpo -c dir_handler.c -fPIC -DPIC -o .libs/dir_handler.o
> cc1: warnings being treated as errors
> dir_handler.c: In function 'axutil_dir_handler_list_service_or_module_dirs':
> dir_handler.c:207: warning: ignoring return value of 'chdir', declared with
> attribute warn_unused_result
> dir_handler.c:213: warning: ignoring return value of 'chdir', declared with
> attribute warn_unused_result
> There may be other errors in util dir, I removed -Werror from configure in
> ./util to continue build
> make[3]: Entering directory
> `/tmp/rmake/builds/axis2c/axis2c-src-1.5.0/tools/tcpmon/src'
> gcc -DHAVE_CONFIG_H -I. -I../../.. -I../../../include -I
> ../../../util/include -I ../../../axiom/include -I ../../../include -I
> ../include -D_LARGEFILE64_SOURCE -DAXIS2_GUTHTHILA_ENABLED
> -DAXIS2_SVR_MULTI_THREADED -O2 -g -D_FORTIFY_SOURCE=2 -fstack-protector
> -D_LARGEFILE64_SOURCE -ansi -Wall -Werror -Wno-implicit-function-declaration
> -g -D_GNU_SOURCE -DAXIS2_GUTHTHILA_ENABLED -DAXIS2_SVR_MULTI_THREADED -MT
> tcpmon.o -MD -MP -MF .deps/tcpmon.Tpo -c -o tcpmon.o tcpmon.c
> cc1: warnings being treated as errors
> tcpmon.c: In function 'resend_request':
> tcpmon.c:658: warning: ignoring return value of 'fread', declared with
> attribute warn_unused_result
> There may be other errors , I removed -Werror from the configure in ./ to
> continue build
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