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-rw-r--r--configure.in31
1 files changed, 31 insertions, 0 deletions
diff --git a/configure.in b/configure.in
index 32c1c1c..6a68625 100644
--- a/configure.in
+++ b/configure.in
@@ -45,6 +45,37 @@ if test "x$enable_lv2" = "xyes"; then
dnl Check for Xlib
dnl ======================
PKG_CHECK_MODULES(X11, x11 >= 1.0)
+
+ dnl ===========================
+ dnl Check for SSE instructions
+ dnl ===========================
+ AC_MSG_CHECKING([for sse3 instructions])
+ if grep -q "sse3" /proc/cpuinfo
+ then
+ AC_MSG_RESULT([yes])
+ CXXFLAGS="$CXXFLAGS -msse3"
+ AC_SUBST(CXXFLAGS)
+ else
+ AC_MSG_RESULT([no])
+ fi
+ AC_MSG_CHECKING([for sse2 instructions])
+ if grep -q "sse2" /proc/cpuinfo
+ then
+ AC_MSG_RESULT([yes])
+ CXXFLAGS="$CXXFLAGS -msse2"
+ AC_SUBST(CXXFLAGS)
+ else
+ AC_MSG_RESULT([no])
+ fi
+ AC_MSG_CHECKING([for sse instructions])
+ if grep -q "sse" /proc/cpuinfo
+ then
+ AC_MSG_RESULT([yes])
+ CXXFLAGS="$CXXFLAGS -DSSE -msse"
+ AC_SUBST(CXXFLAGS)
+ else
+ AC_MSG_RESULT([no])
+ fi
else
AC_MSG_RESULT([*** LV2 plugin will not be compiled ***])
enable_lv2=no