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-rw-r--r--src/configure.in9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/configure.in b/src/configure.in
index 0dab858944a..c58a1eb2db0 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -582,7 +582,14 @@ AC_CHECK_FUNC(cbrt,
AC_CHECK_LIB(m, cbrt, AC_DEFINE(HAVE_CBRT)))
AC_CHECK_FUNC(rint,
AC_DEFINE(HAVE_RINT),
- AC_CHECK_LIB(m, rint, AC_DEFINE(HAVE_RINT)))
+[
+# On HPUX 9, rint() is not in regular libm.a but in /lib/pa1.1/libm.a
+SPECIALMATHLIB=""
+if [[ -r /lib/pa1.1/libm.a ]] ; then
+ SPECIALMATHLIB="-L /lib/pa1.1 -lm"
+fi
+ AC_CHECK_LIB(m, rint, AC_DEFINE(HAVE_RINT), , $SPECIALMATHLIB)
+])
dnl Check for X libraries