allow warnings in build, error only in ci

Author: Firestar99

.github/workflows/rust-ci.yml

@@ -52,6 +52,8 @@ jobs:
     runs-on: ${{ matrix.os }}
     env:
       CXX: ${{ matrix.cxx }}
+      # error on compiler warnings in CI
+      CXXFLAGS: "-Werror"
     steps:
       - uses: actions/checkout@v4
         with:

spirv-tools-sys/build.rs

@@ -126,7 +126,6 @@ fn main() {
             .flag("-Wno-missing-field-initializers")
             .flag("-Wno-stringop-overflow")
             .flag("-Wno-array-bounds")
-            .flag("-Werror")
             .flag("-std=c++17")
             .flag("-fno-exceptions")
             .flag("-fno-rtti")
@@ -144,7 +143,6 @@ fn main() {
             .flag("-Wnon-virtual-dtor")
             .flag("-Wno-missing-field-initializers")
             .flag("-Wno-self-assign")
-            .flag("-Werror")
             .flag("-std=c++17")
             .flag("-fno-exceptions")
             .flag("-fno-rtti")