lines.c uses hypot(), which is found in libm on some systems.
Signed-off-by: Christophe Fergeau <cfergeau@xxxxxxxxxx>
---
m4/spice-deps.m4 | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/m4/spice-deps.m4 b/m4/spice-deps.m4
index 7c0cca4..cf0e048 100644
--- a/m4/spice-deps.m4
+++ b/m4/spice-deps.m4
@@ -64,6 +64,10 @@ AC_DEFUN([SPICE_CHECK_SYSDEPS], [
AC_FUNC_ERROR_AT_LINE
AC_FUNC_FORK
AC_CHECK_FUNCS([dup2 floor inet_ntoa memmove memset pow sqrt])
+ AC_SEARCH_LIBS([hypot], [m], [], [
+ AC_MSG_ERROR([unable to find the hypot() function])
+ ])
+
])
--
2.17.1
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