diff options
Diffstat (limited to 'llvm/cmake/config-ix.cmake')
| -rw-r--r-- | llvm/cmake/config-ix.cmake | 33 |
1 files changed, 18 insertions, 15 deletions
diff --git a/llvm/cmake/config-ix.cmake b/llvm/cmake/config-ix.cmake index fc66dbfcbe7..f758366bc79 100644 --- a/llvm/cmake/config-ix.cmake +++ b/llvm/cmake/config-ix.cmake @@ -56,6 +56,7 @@ check_include_file(sys/types.h HAVE_SYS_TYPES_H) check_include_file(termios.h HAVE_TERMIOS_H) check_include_file(unistd.h HAVE_UNISTD_H) check_include_file(valgrind/valgrind.h HAVE_VALGRIND_VALGRIND_H) +check_include_file(zlib.h HAVE_ZLIB_H) check_include_file(fenv.h HAVE_FENV_H) check_symbol_exists(FE_ALL_EXCEPT "fenv.h" HAVE_DECL_FE_ALL_EXCEPT) check_symbol_exists(FE_INEXACT "fenv.h" HAVE_DECL_FE_INEXACT) @@ -117,6 +118,19 @@ endif() # Don't look for these libraries if we're using MSan, since uninstrumented third # party code may call MSan interceptors like strlen, leading to false positives. if(NOT LLVM_USE_SANITIZER MATCHES "Memory.*") + set(HAVE_LIBZ 0) + if(LLVM_ENABLE_ZLIB) + foreach(library z zlib_static zlib) + string(TOUPPER ${library} library_suffix) + check_library_exists(${library} compress2 "" HAVE_LIBZ_${library_suffix}) + if(HAVE_LIBZ_${library_suffix}) + set(HAVE_LIBZ 1) + set(ZLIB_LIBRARIES "${library}") + break() + endif() + endforeach() + endif() + # Don't look for these libraries on Windows. if (NOT PURE_WINDOWS) # Skip libedit if using ASan as it contains memory leaks. @@ -501,21 +515,10 @@ else( LLVM_ENABLE_THREADS ) message(STATUS "Threads disabled.") endif() -if(LLVM_ENABLE_ZLIB) - if(LLVM_ENABLE_ZLIB STREQUAL FORCE_ON) - find_package(ZLIB REQUIRED) - else() - find_package(ZLIB) - endif() - - if(ZLIB_FOUND) - set(LLVM_ENABLE_ZLIB "YES" CACHE STRING - "Use zlib for compression/decompression if available. Can be ON, OFF, or FORCE_ON" - FORCE) - else() - set(LLVM_ENABLE_ZLIB "NO" CACHE STRING - "Use zlib for compression/decompression if available. Can be ON, OFF, or FORCE_ON" - FORCE) +if (LLVM_ENABLE_ZLIB ) + # Check if zlib is available in the system. + if ( NOT HAVE_ZLIB_H OR NOT HAVE_LIBZ ) + set(LLVM_ENABLE_ZLIB 0) endif() endif() |
