libdrm: Fix error message if libdrm_intel|radeon is disabled and there is no atomic...

diff --git a/configure.ac b/configure.ac
index b044c96..0f15f7e 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -207,13 +207,17 @@ if test "x$INTEL" != "xno" -o "x$RADEON" != "xno"; then
 
     if test "x$drm_cv_atomic_primitives" = "xnone"; then
            if test "x$INTEL" != "xauto"; then
-                   AC_MSG_ERROR([libdrm_intel depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for Intel GPUs by passing --disable-intel to ./configure])
+                   if test "x$INTEL" != "xno"; then
+                        AC_MSG_ERROR([libdrm_intel depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for Intel GPUs by passing --disable-intel to ./configure])
+                   fi
            else
                    AC_MSG_WARN([Disabling libdrm_intel. It depends on atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package.])
                    INTEL=no
            fi
            if test "x$RADEON" != "xauto"; then
-                   AC_MSG_ERROR([libdrm_radeon depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for Radeon support by passing --disable-radeon to ./configure])
+                   if test "x$RADEON" != "xno"; then
+                        AC_MSG_ERROR([libdrm_radeon depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for Radeon support by passing --disable-radeon to ./configure])
+                   fi
            else
                    AC_MSG_WARN([Disabling libdrm_radeon. It depends on atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package.])
                    RADEON=no