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| author | Guy Harris <guy@alum.mit.edu> | 2018-03-23 14:21:06 -0700 |
|---|---|---|
| committer | Guy Harris <guy@alum.mit.edu> | 2018-03-23 22:39:07 +0000 |
| commit | d12a41b17a006ccc1b0f98e9df3fc442e4ee7643 (patch) | |
| tree | 009988dd542bad8784861bce8bb0df0483ba122a /ConfigureChecks.cmake | |
| parent | a7edc4f25f1cffb452959e2093fe7b2a65e75d79 (diff) | |
Include alloca.h if we have it.
Bug: 14552
Change-Id: I799691f7f33ca56748ed4e51d7d548f37769837b
Reviewed-on: https://code.wireshark.org/review/26611
Petri-Dish: Guy Harris <guy@alum.mit.edu>
Tested-by: Petri Dish Buildbot
Reviewed-by: Guy Harris <guy@alum.mit.edu>
Diffstat (limited to 'ConfigureChecks.cmake')
| -rw-r--r-- | ConfigureChecks.cmake | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake index bd6e977348..9079ee396f 100644 --- a/ConfigureChecks.cmake +++ b/ConfigureChecks.cmake @@ -89,11 +89,25 @@ cmake_pop_check_state() check_function_exists("getopt_long" HAVE_GETOPT_LONG) if(HAVE_GETOPT_LONG) + # + # The OS has getopt_long(), so it might have optreset. + # Do we have it? + # if(HAVE_GETOPT_H) check_symbol_exists("optreset" "getopt.h" HAVE_OPTRESET) else() check_symbol_exists("optreset" HAVE_OPTRESET) endif() +else() + # + # The OS doesn't have getopt_long(), so we're using the GNU libc + # version that we have in wsutil. It doesn't have optreset, so we + # don't need to check for it. + # + # However, it uses alloca(), so we may need to include alloca.h; + # check for it. + # + check_include_file("alloca.h" HAVE_ALLOCA_H) endif() check_function_exists("getifaddrs" HAVE_GETIFADDRS) check_function_exists("issetugid" HAVE_ISSETUGID) |