Require CMake 3.10

README.md

@@ -158,7 +158,7 @@ and tools.
 
 To build Filament, you must first install the following tools:
 
-- CMake 3.12 (or more recent)
+- CMake 3.10 (or more recent)
 - clang 7.0 (or more recent)
 - [ninja 1.8](https://github.com/ninja-build/ninja/wiki/Pre-built-Ninja-packages) (or more recent)
 

build.sh

@@ -494,9 +494,10 @@ function validate_build_command {
 
     # We allow CI builds to skip CMake version check
     if [[ "$SKIP_CMAKE_VERSION_CHECK" != "true" ]]; then
-        if [[ `cmake --version` =~ ([0-9]+)\.([0-9]+)\.[0-9]+ ]]; then
-            if [[ "${BASH_REMATCH[1]}" -lt "3" ]] || [[ "${BASH_REMATCH[2]}" -lt "12" ]]; then
-                echo "Error: cmake version 3.12+ is required, ${BASH_REMATCH[1]}.${BASH_REMATCH[2]} installed, exiting"
+        cmake_version=`cmake --version`
+        if [[ "$cmake_version" =~ ([0-9]+)\.([0-9]+)\.[0-9]+ ]]; then
+            if [[ "${BASH_REMATCH[1]}" -lt "3" ]] || [[ "${BASH_REMATCH[2]}" -lt "10" ]]; then
+                echo "Error: cmake version 3.10+ is required, ${BASH_REMATCH[1]}.${BASH_REMATCH[2]} installed, exiting"
                 exit 1
             fi
         fi