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authorEd Maste <emaste@freebsd.org>2017-04-12 13:51:00 +0000
committerEd Maste <emaste@freebsd.org>2017-04-12 13:51:00 +0000
commit944d939ce13980e02d603df3038eb7c4b8feac84 (patch)
tree4bcbfe9c66cec36e663e0ed2341d3cddbe1331db /cmake
parent0b09474fe1a4c1519e7a299e79c578cbe5b60a91 (diff)
Fix detection of backtrace() availability on FreeBSD
On FreeBSD backtrace is not part of libc and depends on libexecinfo being available. Instead of using manual checks we can use the builtin CMake module FindBacktrace.cmake to detect availability of backtrace() in a portable way. Patch By: Alex Richardson Differential Revision: https://reviews.llvm.org/D27143 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@300062 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'cmake')
-rwxr-xr-xcmake/config-ix.cmake5
1 files changed, 3 insertions, 2 deletions
diff --git a/cmake/config-ix.cmake b/cmake/config-ix.cmake
index e5050018046a..0331d0fa10ab 100755
--- a/cmake/config-ix.cmake
+++ b/cmake/config-ix.cmake
@@ -46,7 +46,6 @@ endfunction()
check_include_file(dirent.h HAVE_DIRENT_H)
check_include_file(dlfcn.h HAVE_DLFCN_H)
check_include_file(errno.h HAVE_ERRNO_H)
-check_include_file(execinfo.h HAVE_EXECINFO_H)
check_include_file(fcntl.h HAVE_FCNTL_H)
check_include_file(inttypes.h HAVE_INTTYPES_H)
check_include_file(link.h HAVE_LINK_H)
@@ -165,7 +164,9 @@ endif()
# function checks
check_symbol_exists(arc4random "stdlib.h" HAVE_DECL_ARC4RANDOM)
-check_symbol_exists(backtrace "execinfo.h" HAVE_BACKTRACE)
+find_package(Backtrace)
+set(HAVE_BACKTRACE ${Backtrace_FOUND})
+set(BACKTRACE_HEADER ${Backtrace_HEADER})
check_symbol_exists(_Unwind_Backtrace "unwind.h" HAVE__UNWIND_BACKTRACE)
check_symbol_exists(getpagesize unistd.h HAVE_GETPAGESIZE)
check_symbol_exists(sysconf unistd.h HAVE_SYSCONF)