build: check signal functions

diff --git a/lib/util/wscript_configure b/lib/util/wscript_configure
index e7cb05e8c03389b11991647694f28c0dd71b019e..868124016ced34e8756646a91f754e79c8567e38 100644 (file)
--- a/lib/util/wscript_configure
+++ b/lib/util/wscript_configure
@@ -3,3 +3,5 @@ conf.CHECK_HEADERS('execinfo.h')
 
 # backtrace could be in libexecinfo or in libc
 conf.CHECK_FUNCS_IN('backtrace', 'execinfo', checklibc=True)
+
+conf.CHECK_FUNCS('sigprocmask sigblock sigaction')