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-rw-r--r--configure.in3
1 files changed, 3 insertions, 0 deletions
diff --git a/configure.in b/configure.in
index 366c66a..b9360bd 100644
--- a/configure.in
+++ b/configure.in
@@ -101,6 +101,9 @@ if test x"$os_win32" = xyes; then
fi
AC_CHECK_HEADERS(string list map, , exit)
+dnl some platforms (e.g. Solaris) need additional C headers included so
+dnl that there are always prototypes and defines available.
+AC_CHECK_HEADERS(math.h)
PKG_CHECK_MODULES(CAIROMM, cairo >= 1.5.8)