8/29/2023 0 Comments Lex and yacc for macI really want to be able to use Xcode for the assignments later in the course so I don't have to work directly with gdb. I also tried using -llibl rather than -ll, but that did not work either. I tried using both LLVM GCC 4.2 and Apple LLVM compiler 3.0 as the selected compiler in the "Build Options->Compiler" field. I added the -ll link flag in the "Linking" area of the "Build Settings" under the "Other Linker Flags" option line and see it getting included in the gcc command line. Putting the same file into an Xcode project and trying to compile it returns an Apple Mach-O Linker (ld) Error:Ĭommand /Developer/usr/bin/llvm-gcc-4.2 failed with exit code 1 It parses the stream of tokens from the Lex file and performs the semantic analysis. The gcc being used is from: /Developer/usr/bin and is version Setting up Lex and Yacc Tools via Terminal Commands. Yacc (Yet Another Compiler Compiler) is a tool used to create a parser. I am taking a compiler writing course and our initial homework uses lex and yacc.įrom a terminal window I can compile the lex output file and execute it using: Hello everyone! I am a casual Xcode user, mostly version 3, but switched to version 4 in December.
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