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| author | makaimann <makaim@stanford.edu> | 2019-04-15 17:17:29 -0700 |
|---|---|---|
| committer | Andres Noetzli <andres.noetzli@gmail.com> | 2019-04-15 17:17:29 -0700 |
| commit | 3df27eab5e9da3bab7853c02bdea6a250623d2a5 (patch) | |
| tree | 0eb6e80e55ed8e67772b719a32ff7185fcf68aa1 /cmake | |
| parent | 8db8b76f4ee98e3166ee8bb2e1bad77380060edc (diff) | |
Check for rt library in configuration -- support for glibc<2.17 (#2854)
This is a minor fix for systems with glibc version < 2.17. In that case, we need to link with `-lrt` according to the clock_gettime man page.
Diffstat (limited to 'cmake')
| -rw-r--r-- | cmake/ConfigureCVC4.cmake | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/cmake/ConfigureCVC4.cmake b/cmake/ConfigureCVC4.cmake index 84575d610..67c1f414d 100644 --- a/cmake/ConfigureCVC4.cmake +++ b/cmake/ConfigureCVC4.cmake @@ -2,6 +2,7 @@ include(CheckCXXSourceCompiles) include(CheckIncludeFile) include(CheckIncludeFileCXX) include(CheckSymbolExists) +include(CheckLibraryExists) # Check whether "long" and "int64_t" are distinct types w.r.t. overloading. # Even if they have the same size, they can be distinct, and some platforms @@ -54,6 +55,11 @@ if(CVC4_WINDOWS_BUILD) endif() else() check_symbol_exists(clock_gettime "time.h" HAVE_CLOCK_GETTIME) + if(NOT HAVE_CLOCK_GETTIME) + unset(HAVE_CLOCK_GETTIME CACHE) + check_library_exists(rt clock_gettime "time.h" HAVE_CLOCK_GETTIME) + find_library(RT_LIBRARIES NAMES rt) + endif() endif() check_symbol_exists(ffs "strings.h" HAVE_FFS) check_symbol_exists(optreset "getopt.h" HAVE_DECL_OPTRESET) |