Merge branch 'feature/esp_common_header_only' into 'master'

esp_common: Add support for linux target providing header only library

See merge request espressif/esp-idf!14310

components/esp_common/CMakeLists.txt

@@ -1,5 +1,11 @@
 idf_build_get_property(target IDF_TARGET)
 
+if(${target} STREQUAL "linux")
+    # Header only library for linux
+    idf_component_register(INCLUDE_DIRS include)
+    return()
+endif()
+
 list(APPEND srcs "src/esp_err_to_name.c")
 
 # Note: esp_ipc, esp_pm added as a public requirement to keep compatibility as to be located here.

components/esp_common/project_include.cmake

@@ -1,6 +1,8 @@
 #
 # Warn if the toolchain version doesn't match
 #
-get_expected_ctng_version(expected_toolchain expected_gcc)
-gcc_version_check("${expected_gcc}")
-crosstool_version_check("${expected_toolchain}")
+if(NOT ${target} STREQUAL "linux")
+    get_expected_ctng_version(expected_toolchain expected_gcc)
+    gcc_version_check("${expected_gcc}")
+    crosstool_version_check("${expected_toolchain}")
+endif()