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| author | Guy Harris <guy@alum.mit.edu> | 2019-08-09 11:46:19 -0700 |
|---|---|---|
| committer | Guy Harris <guy@alum.mit.edu> | 2019-08-09 11:46:19 -0700 |
| commit | 3a000d8878d64d6637d54362cb6af8cff65bcba3 (patch) | |
| tree | 698517698630f6e355e0c7c00838df4849981719 /CMakeLists.txt | |
| parent | 1ed63b5d0630a4b5b4a8d31174d9f3e95a970913 (diff) | |
| download | tcpdump-3a000d8878d64d6637d54362cb6af8cff65bcba3.tar.gz | |
Use check_symbol_exists() for vsnprintf() and snprintf().
At least with Visual Studio, they're inline functions that call a common
external function, so check_function_exists() doesn't find them.
Clean up indentation while we're at it.
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 1c5f80da..033cef25 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -280,12 +280,15 @@ cmake_pop_check_state() # # Make sure we have vsnprintf() and snprintf(); we require them. +# We use check_symbol_exists(), as they aren't necessarily external +# functions - in Visual Studio, for example, they're inline functions +# calling a common external function. # -check_function_exists(vsnprintf HAVE_VSNPRINTF) +check_symbol_exists(vsnprintf "stdio.h" HAVE_VSNPRINTF) if(NOT HAVE_VSNPRINTF) message(FATAL_ERROR "vsnprintf() is required but wasn't found") endif(NOT HAVE_VSNPRINTF) -check_function_exists(snprintf HAVE_SNPRINTF) +check_symbol_exists(snprintf "stdio.h" HAVE_SNPRINTF) if(NOT HAVE_SNPRINTF) message(FATAL_ERROR "snprintf() is required but wasn't found") endif() @@ -297,8 +300,8 @@ check_function_exists(setlinebuf HAVE_SETLINEBUF) # For Windows, don't need to waste time checking for fork() or vfork(). # if(NOT WIN32) - check_function_exists(fork HAVE_FORK) - check_function_exists(vfork HAVE_VFORK) + check_function_exists(fork HAVE_FORK) + check_function_exists(vfork HAVE_VFORK) endif(NOT WIN32) # |