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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 dd07942b2eae..d521763e9fbb 100644
--- a/configure.in
+++ b/configure.in
@@ -5158,6 +5158,9 @@ if test -n "$with_system_lpsolve" -o -n "$with_system_libs" && \
SYSTEM_LPSOLVE=YES
AC_CHECK_HEADER(lpsolve/lp_lib.h, [],
[ AC_MSG_ERROR(lpsolve headers not found.)], [])
+ # some systems need this. Like Ubuntu....
+ AC_CHECK_LIB(m, floor)
+ AC_CHECK_LIB(dl, dlopen)
AC_CHECK_LIB(lpsolve55, make_lp, ,
[ AC_MSG_ERROR(lpsolve library not found or too old.)], [])
else