Updated minimum gcc version.

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░▒▓█ ███  Signed-off-by: Carles Tubio <ctubio@users.noreply.github.com>
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Makefile

@@ -33,7 +33,7 @@ KBUILD    := build-$(KHOST)
 KHOME     := $(if ${SYSTEMROOT},$(word 1,$(subst :, ,${SYSTEMROOT})):/,$(if \
                $(findstring $(CHOST),$(lastword $(CARCH))),C:/,/var/lib/))K
 
-ERR        = *** K require g++ v12 or greater, but it was not found.
+ERR        = *** K require g++ v10 or greater, but it was not found.
 HINT      := consider a symlink at /usr/bin/$(CHOST)-g++ pointing to your g++ executable
 STEP       = $(shell tput setaf 2;tput setab 0)Building $(1)..$(shell tput sgr0)
 SUDO       = $(shell test -n "`command -v sudo`" && echo sudo)
@@ -127,7 +127,7 @@ clean check lib:
 ifdef KALL
 	unset KALL $(foreach chost,$(CARCH),&& $(MAKE) $@ CHOST=$(chost))
 else
-	$(if $(shell ver="`$(CHOST)-g++ -dumpversion | cut -d'-' -f1`" && test $${ver%%.*} -lt 12 && echo 1),$(warning $(ERR));$(error $(HINT)))
+	$(if $(shell ver="`$(CHOST)-g++ -dumpversion | cut -d'-' -f1`" && test $${ver%%.*} -lt 10 && echo 1),$(warning $(ERR));$(error $(HINT)))
 	@$(MAKE) -C src/lib $@ CHOST=$(CHOST) KHOST=$(KHOST) KHOME=$(KHOME)
 endif
 
@@ -155,7 +155,7 @@ ifdef KALL
 	unset KALL $(foreach chost,$(CARCH),&& $(MAKE) $@ CHOST=$(chost))
 else
 	$(info $(call STEP,$(KSRC) $@ $(CHOST)))
-	$(if $(shell ver="`$(CHOST)-g++ -dumpversion | cut -d'-' -f1`" && test $${ver%%.*} -lt 12 && echo 1),$(warning $(ERR));$(error $(HINT)))
+	$(if $(shell ver="`$(CHOST)-g++ -dumpversion | cut -d'-' -f1`" && test $${ver%%.*} -lt 10 && echo 1),$(warning $(ERR));$(error $(HINT)))
 	@$(CHOST)-g++ --version
 	@mkdir -p $(KBUILD)/bin
 	$(MAKE) $(if $(findstring darwin,$(CHOST)),Darwin,$(if $(findstring mingw32,$(CHOST)),Win32,$(shell uname -s))) CHOST=$(CHOST)