configure: use test -z whenever possible
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
diff --git a/configure.ac b/configure.ac
index 0c9044b..295cd63 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1182,7 +1182,7 @@
dnl EGL Gallium configuration
dnl
if test "x$enable_gallium_egl" = xyes; then
- if test "x$with_gallium_drivers" = x; then
+ if test -z "$with_gallium_drivers"; then
AC_MSG_ERROR([cannot enable egl_gallium without Gallium])
fi
if test "x$enable_egl" = xno; then
@@ -1209,7 +1209,7 @@
esac
fi
if test "x$enable_gallium_gbm" = xyes; then
- if test "x$with_gallium_drivers" = x; then
+ if test -z "$with_gallium_drivers"; then
AC_MSG_ERROR([cannot enable gbm_gallium without Gallium])
fi
if test "x$enable_gbm" = xno; then
@@ -1244,7 +1244,7 @@
if test "x$enable_egl" = xno; then
AC_MSG_ERROR([cannot enable OpenVG without EGL])
fi
- if test "x$with_gallium_drivers" = x; then
+ if test -z "$with_gallium_drivers"; then
AC_MSG_ERROR([cannot enable OpenVG without Gallium])
fi
if test "x$enable_gallium_egl" = xno; then
@@ -1321,7 +1321,7 @@
PKG_CHECK_EXISTS([libclc], [have_libclc=yes], [have_libclc=no])
if test "x$enable_opencl" = xyes; then
- if test "x$with_gallium_drivers" = x; then
+ if test -z "$with_gallium_drivers"; then
AC_MSG_ERROR([cannot enable OpenCL without Gallium])
fi
@@ -1526,7 +1526,7 @@
}
-if test "x$with_gallium_drivers" = x; then
+if test -z "$with_gallium_drivers"; then
enable_gallium_llvm=no
fi
if test "x$enable_gallium_llvm" = xauto; then
@@ -1583,7 +1583,7 @@
dnl Check for Clang internal headers
if test "x$enable_opencl" = xyes; then
- if test "x$CLANG_LIBDIR" = x; then
+ if test -z "$CLANG_LIBDIR"; then
CLANG_LIBDIR=${LLVM_LIBDIR}
fi
CLANG_RESOURCE_DIR=$CLANG_LIBDIR/clang/${LLVM_VERSION}
@@ -2123,7 +2123,7 @@
esac
if test "x$enable_dri" != xno; then
- if test "x$DRI_DIRS" = x; then
+ if test -z "$DRI_DIRS"; then
echo " DRI drivers: no"
else
echo " DRI drivers: $DRI_DIRS"