build system: fix broken CONFIG_SYSROOT handling
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—
(log yok)
| @@ -104,7 +104,9 @@ else | |
| LDLIBS += m | |
| endif | |
| - | ifneq ($(CONFIG_SYSROOT),) |
| + | # Note: both "" (string consisting of two quote chars) and empty string |
| + | # are possible, and should be skipped below. |
| + | ifneq ($(subst "",,$(CONFIG_SYSROOT)),) |
| CFLAGS += --sysroot=$(CONFIG_SYSROOT) | |
| export SYSROOT=$(CONFIG_SYSROOT) | |
| endif | |