clang

Xcode – ld: library not found for -lPods

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I get these errors when I try to build an iOS application. ld: library not found for -lPods clang: error: linker command failed with exit code 1 (use -v to see invocation) Ld /Users/Markus/Library/Developer/Xcode/DerivedData/Totalbox-clpeqwpfvwuhpleeejnzlavncnvj/Build/Products/Debug-iphonesimulator/Totalbox.app/Totalbox normal x86_64 cd /Users/Markus/Development/xcode/totalbox-ios export IPHONEOS_DEPLOYMENT_TARGET=7.1 export PATH=”/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin” /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -arch x86_64 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator7.1.sdk -L/Users/Markus/Library/Developer/Xcode/DerivedData/Totalbox-clpeqwpfvwuhpleeejnzlavncnvj/Build/Products/Debug-iphonesimulator -F/Users/Markus/Library/Developer/Xcode/DerivedData/Totalbox-clpeqwpfvwuhpleeejnzlavncnvj/Build/Products/Debug-iphonesimulator -filelist /Users/Markus/Library/Developer/Xcode/DerivedData/Totalbox-clpeqwpfvwuhpleeejnzlavncnvj/Build/Intermediates/Totalbox.build/Debug-iphonesimulator/Totalbox.build/Objects-normal/x86_64/Totalbox.LinkFileList -Xlinker -objc_abi_version -Xlinker 2 … Read more

clang error: unknown argument: ‘-mno-fused-madd’ (python package installation failure)

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I get the following error when attempting to install psycopg2 via pip on Mavericks 10.9: clang: error: unknown argument: ‘-mno-fused-madd’ [-Wunused-command-line-argument-hard-error-in-future] Not sure how to proceed and have searched here and elsewhere for this particular error. Any help is much appreciated! Here is the complete output from pip: $ pip install psycopg2 Downloading/unpacking psycopg2 Downloading … Read more

Clang vs GCC – which produces faster binaries? [closed]

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Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 5 months ago. Improve this question I’m currently using GCC, but I discovered Clang recently and I’m pondering switching. There is … Read more

Switching between GCC and Clang/LLVM using CMake

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I have a number of projects built using CMake and I’d like to be able to easily switch between using GCC or Clang/LLVM to compile them. I believe (please correct me if I’m mistaken!) that to use Clang I need to set the following: SET (CMAKE_C_COMPILER “/usr/bin/clang”) SET (CMAKE_C_FLAGS “-Wall -std=c99”) SET (CMAKE_C_FLAGS_DEBUG “-g”) SET … Read more

Why is this program erroneously rejected by three C++ compilers?

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Locked. This question and its answers are locked because the question is off-topic but has historical significance. It is not currently accepting new answers or interactions. I am having some difficulty compiling a C++ program that I’ve written. This program is very simple and, to the best of my knowledge, conforms to all the rules … Read more