similar to: Adding [[nodiscard]] to Compiler.h

Sanjoy Das <sanjoy at playingwithpointers.com> writes: > Hi Justin, > > This SGTM generally, but please make the difference between > LLVM_NODISCARD and LLVM_UNUSED_RESULT clear in the code. :) Right, this is where it gets a little weird. LLVM_NODISCARD would be for types, whereas LLVM_UNUSED_RESULT would be for functions. Depending on your host compiler, using the wrong one

My 2 cents: get rid of LLVM_UNUSED_RESULT, and move to LLVM_NODISCARD. For compilers that support it, it should be a strict superset of features and functionality. The standard feature was written directly based on the clang warn_unused_result stuff. I would just migrate us onto the spelling and usage pattern that got standardized. All we have to lose are warnings from compilers other than Clang

Dear R People: I am attempting to install SparseM on R 2.15.0 on a Linux 11.10 system. Here is the output > install.packages("SparseM",depen=TRUE) Installing package(s) into ?/home/erin/R/x86_64-pc-linux-gnu-library/2.15? (as ?lib? is unspecified) --- Please select a CRAN mirror for use in this session --- Loading Tcl/Tk interface ... done trying URL

If you are using XFS - there is mount option "discard|nodiscard" From XFS man page: discard|nodiscard Enable/disable the issuing of commands to let the block device reclaim space freed by the filesystem. This is useful for SSD devices, thinly provisioned LUNs and virtual machine images, but may have a performance impact. Note: It is currently

There are new build errors in xen-unstable since revision 23368. Wether the _libxl_paths.h.tmp/_libxl_paths.h errros/warnings are new, no idea. Olaf .......... make -C libxl install make[3]: Entering directory `/usr/src/packages/BUILD/xen-unstable.hg-4.2.23437/tools/libxl'' python gentypes.py libxl.idl __libxl_types.h __libxl_types.c rm -f _libxl_paths.h.tmp.tmp; echo

Hi Tanya, I see the following warnings when building. I'm not sure how to fix any of them. The last one looks like it might be serious (seems like a job for Chris). llvm[1]: Compiling Path.cpp for Release build In file included from Path.cpp:270: Unix/Path.inc: In member function ‘bool llvm::sys::Path::eraseFromDisk(bool, std::string*) const’: Unix/Path.inc:661: warning: ignoring return

Martijn van Beurden wrote: > > 'chown', declared with attribute warn_unused_result [-Wunused-result] > > metadata_iterators.c:3299:2: warning: ignoring return value of > > 'chown', declared with attribute warn_unused_result [-Wunused-result] > > In file included from /usr/include/stdio.h:934:0, Thats an Ubuntu special. They have patched their libc headers

Hi, When I do the "make install-tools" with xen-4.2-unstable, there are some errors about "warn_unused_result". Is it the error in code or the error in the compiling environment? Thank you so much. gcc -O1 -fno-omit-frame-pointer -m64 -g -fno-strict-aliasing -std=gnu99 -Wall -Wstrict-prototypes -Wdeclaration-after-statement -D__XEN_TOOLS__ -MMD -MF .tapdisk-queue.o.d

This time make world on Ubuntu 10.04 gives following error gcc -O2 -fomit-frame-pointer -m32 -march=i686 -fno-strict-aliasing -std=gnu99 -Wall -Wstrict-prototypes -Wno-unused-value -Wdeclaration-after-statement -D__XEN_TOOLS__ -MMD -MF .fsimage.so.d -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -mno-tls-direct-seg-refs -I../../../tools/libfsimage/common/

From: Gene Cumm <gene.cumm at gmail.com> linux/syslinux.c: Silence warnings from GCC with asprintf's attribute warn_unused_result in certain glibc versions/patches. Assign it to a variable and ignore it as the string is already tested for null before using it. Signed-off-by: Gene Cumm <gene.cumm at gmail.com> --- diff --git a/libinstaller/setadv.c b/libinstaller/setadv.c index

Hola buenas, utlimamente estoy teniendo más problemas con mi equipo de los que debería. Bajo windows no me funciona bien Rstudio y bajo linux soy incapaz de instalar rJava. ¿Alguien que sepa de Linux me podría ayudar? He probado a instalar los openJDK y nada. También he probado, para instalar Java, a hacer un: sudo add-apt-repository ppa:webupd8team/java sudo apt-get update && sudo

Here is just one example of a warning when compiling asterisk on Ubuntu 8.10 manager.c:1760: warning: ignoring return value of ?read?, declared with attribute warn_unused_result is this anything to worry about? can i safely ignore it? Thanks Robb

Hi, On RHEL 6.3 with gcc 4.4.6, a number of compiler warnings are emitted when building recent snapshots: These all seem to be harmless, but annoying. readpassphrase.c:127: warning: ignoring return value of ?write?, declared with attribute warn_unused_result readpassphrase.c:146: warning: ignoring return value of ?write?, declared with attribute warn_unused_result make[1]: Leaving directory

On a different note using Fedora Core 3 I get CC [M] /usr/src/zaptel/zaptel.o /usr/src/zaptel/zaptel.c: In function `zt_chan_write': /usr/src/zaptel/zaptel.c:1745: warning: ignoring return value of `copy_from_user', declared with attribute warn_unused_result /usr/src/zaptel/zaptel.c: In function `ioctl_load_zone': /usr/src/zaptel/zaptel.c:2392: warning: ignoring return value of

I am having a problem compiling zaptel on my Arch Linux (linux 2.6.10) system: CC [M] /home/sbn/src/zaptel-1.0.3/wcfxs.o /home/sbn/src/zaptel-1.0.3/wcfxs.c: In function `wcfxs_interrupt': /home/sbn/src/zaptel-1.0.3/wcfxs.c:473: sorry, unimplemented: inlining failed in call to 'wcfxs_proslic_check_hook': function body not available /home/sbn/src/zaptel-1.0.3/wcfxs.c:810: sorry,

Hi can you help ? I have been trying to compile the zaptel modules all day for installation with out success, see messages below.... Setup as follows X100P card Intel Celeron (686) 1.7ghz processor Redhat Fedora Core 2 (Linux-2.6.5-1.358) When I do the make I get the following errors Any comments would be great ====> make make -C /usr/src/linux-2.6.5-1.358 SUBDIRS=/asterisk/zaptel-0.9.1

I'm a neewbie in Linux, so please bear with me. I have a school assignment to make communication between 10 SIP softphones (kphone). So far I got trouble installing Asterisk. The information in asterisk web site seems to be a bit outdated because it's mentioned only kernel 2.4. Since Mandrake cooker (10.2beta3) witch I'm using is using kernel 2.6.10, I wander if I have a chance to

Yes I did, one thing worth mentioning is on running configure for GNU Classpath towards the end this error is displayed and it crashes, I assumed it was okay and went to create the symbolic links and completed the rest of the process with vmkit mentioned in Getting Started as instructed: -I../../../native/jni/native-lib -W -Wall -Wmissing-declarations -Wwrite-strings -Wmissing-prototypes

I hope someone can offer me some help with this. Basically, the current CVS version of Zaptel will not compile under Fedora Core 4. I have closely followed the directions in http://www.voip-info.org/tiki-index.php?page=Asterisk+Fedora+Core+3 using the versions given in the FC4 distro with no luck. Here's the output when I run "make linux26". Any help would be great. TIA.

Hi, I am unable to build libxl from the tools. I am getting always the following error. Disabling Werror did not solve the problem: === PCI passthrough capability has been enabled === === PCI passthrough capability has been enabled === make[4]: Entering directory `/usr/src/xen-unstable.hg/tools/ioemu-remote/i386-dm'' /usr/src/xen-unstable.hg//tools/cross-install -d -m0755 -p