Eina: define EINA_HAVE_DEBUG_THREADS only if backtrace() in execinfo.h is available

Summary: fix compilation on systems where backtrace() in execinfo.h is not available

Test Plan: compilation on Windows

Reviewers: zmike, cedric, raster

Reviewed By: cedric, raster

Subscribers: #reviewers, #committers

Tags: #efl

Differential Revision: https://phab.enlightenment.org/D9392

1 files changed, 3 insertions, 1 deletions

diff --git a/src/lib/eina/meson.build b/src/lib/eina/meson.build
index b93e46802c..7866323742 100644
--- a/src/lib/eina/meson.build
+++ b/src/lib/eina/meson.build
@@ -299,7 +299,9 @@ if cc.has_header_symbol(pthread_np_header_file, 'pthread_attr_setaffinity_np', a
 endif
 
 if debug_threads or get_option('debug-threads')
-   eina_config.set('EINA_HAVE_DEBUG_THREADS', '1')
+   if cc.has_header_symbol('execinfo.h', 'backtrace')
+      eina_config.set('EINA_HAVE_DEBUG_THREADS', '1')
+   endif
 endif
 
 eina_config.set('EINA_SIZEOF_WCHAR_T', cc.sizeof('wchar_t',  prefix : '#include<wchar.h>'))