exp10 replaced with pow when exp10 is not available

[pspp] / configure.ac

diff --git a/configure.ac b/configure.ac
index 1d68d55a7ef45219b2e53b47592796c4abc5e106..cb36b4d624f900f36ca516732484d43095520767 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -296,6 +296,9 @@ if test x"$enable_debug" = x"yes"  ; then
   AC_DEFINE(DEBUGGING, 1, [Define to 1 if debugging is enabled.])
 fi
 
+# exp10 is not available on all systems (MacOS)
+AC_CHECK_LIB(m, exp10, [AC_DEFINE([HAVE_EXP10],[1],[Define to 1 if your system has 'exp10'.])])
+
 # iconv is required
 AM_ICONV
 if test "$am_cv_func_iconv" != "yes"; then