Esp32 build fix (#12700)

* Fix up esp32 builds and make sure CI will catch future errors in using build_examples to compile

* Fix build instruction typo

Author: andy31415

.github/workflows/examples-esp32.yaml

@@ -28,9 +28,6 @@ jobs:
         name: ESP32
         timeout-minutes: 85
 
-        env:
-            BUILD_TYPE: esp32
-
         runs-on: ubuntu-latest
         if: github.actor != 'restyled-io[bot]'
 
@@ -62,29 +59,33 @@ jobs:
                   path: |
                    .environment/gn_out/.ninja_log
                    .environment/pigweed-venv/*.log
-            - name: Build example All Clusters App
-              timeout-minutes: 10
-              run: scripts/examples/esp_example.sh all-clusters-app sdkconfig_m5stack.defaults
-            - name: Copy aside build products
+            - name: Build some M5Stack variations
+              timeout-minutes: 20
+              run: |
+                  ./scripts/run_in_build_env.sh \
+                     "./scripts/build/build_examples.py \
+                        --enable-flashbundle \
+                        --target-glob '*-m5stack-{all-clusters,all-clusters-rpc-ipv6only}' \
+                        build \
+                        --copy-artifacts-to out/artifacts \
+                     "
+            - name: Prepare bloat report
               run: |
-                  mkdir -p example_binaries/$BUILD_TYPE-build
-                  cp examples/all-clusters-app/esp32/build/chip-all-clusters-app.elf \
-                     example_binaries/$BUILD_TYPE-build/chip-all-clusters-app.elf
                   .environment/pigweed-venv/bin/python3 scripts/tools/memory/gh_sizes.py \
                      esp32 m5stack all-clusters-app \
-                     example_binaries/$BUILD_TYPE-build/chip-all-clusters-app.elf \
+                     out/esp32-m5stack-all-clusters/chip-all-clusters-app.elf \
                      /tmp/bloat_reports/
             - name: Build example All Clusters App C3
               timeout-minutes: 10
               run: scripts/examples/esp_example.sh all-clusters-app sdkconfig_c3devkit.defaults
             - name: Copy aside build products
               run: |
-                  mkdir -p example_binaries/$BUILD_TYPE-build
+                  mkdir -p example_binaries/esp32-build
                   cp examples/all-clusters-app/esp32/build/chip-all-clusters-app.elf \
-                     example_binaries/$BUILD_TYPE-build/chip-all-clusters-app.elf
+                     example_binaries/esp32-build/chip-all-clusters-app.elf
                   .environment/pigweed-venv/bin/python3 scripts/tools/memory/gh_sizes.py \
                      esp32 c3devkit all-clusters-app \
-                     example_binaries/$BUILD_TYPE-build/chip-all-clusters-app.elf \
+                     example_binaries/esp32-build/chip-all-clusters-app.elf \
                      /tmp/bloat_reports/
             - name: Build example Pigweed App
               timeout-minutes: 10

scripts/build/runner/shell.py

@@ -29,7 +29,7 @@ def __init__(self, level):
         self.daemon = False
         self.level = level
         self.fd_read, self.fd_write = os.pipe()
-        self.pipeReader = os.fdopen(self.fd_read)
+        self.pipeReader = os.fdopen(self.fd_read, errors='replace')
         self.start()
 
     def fileno(self):

src/platform/ESP32/InetPlatformConfig.h

@@ -41,4 +41,3 @@
 #ifndef INET_CONFIG_NUM_UDP_ENDPOINTS
 #define INET_CONFIG_NUM_UDP_ENDPOINTS CONFIG_NUM_UDP_ENDPOINTS
 #endif // INET_CONFIG_NUM_UDP_ENDPOINTS
-#define INET_CONFIG_ENABLE_IPV4 1