Merge branch 'bugfix/macos_build_linux_target_misc' into 'master'

Misc fixes for IDF_TARGET=linux on macOS host

See merge request espressif/esp-idf!28015

CMakeLists.txt

@@ -121,8 +121,10 @@ if(CMAKE_C_COMPILER_ID MATCHES "Clang")
     list(APPEND compile_options "-Wno-c2x-extensions")
     # warning on xMPU_SETTINGS for esp32s2 has size 0 for C and 1 for C++
     list(APPEND compile_options "-Wno-extern-c-compat")
-    # warning: implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1
+    if(NOT (CONFIG_IDF_TARGET_LINUX AND CMAKE_HOST_SYSTEM_NAME STREQUAL "Darwin"))
-    list(APPEND compile_options "-Wno-single-bit-bitfield-constant-conversion")
+        # warning: implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1
+        list(APPEND compile_options "-Wno-single-bit-bitfield-constant-conversion")
+    endif()
 endif()
 # More warnings may exist in unit tests and example projects.
 

components/esp_netif/CMakeLists.txt

@@ -1,5 +1,3 @@
-idf_build_get_property(target IDF_TARGET)
-
 set(srcs_lwip
         "lwip/esp_netif_lwip.c"
         "lwip/esp_netif_sntp.c"
@@ -17,12 +15,6 @@ set(srcs
 set(include_dirs "include")
 set(priv_include_dirs "private_include")
 
-idf_build_get_property(target IDF_TARGET)
-if(${target} STREQUAL "linux")
-    list(APPEND include_dirs
-            "linux/stubs/include")
-endif()
-
 if(CONFIG_PPP_SUPPORT)
     list(APPEND srcs_lwip lwip/esp_netif_lwip_ppp.c lwip/netif/ppp.c)
 endif()

components/esp_netif/linux/stubs/include/machine/endian.h

@@ -1,8 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-#pragma once
-
-#include_next <endian.h>

components/linux/CMakeLists.txt

@@ -4,7 +4,7 @@ if(NOT "${target}" STREQUAL "linux")
 endif()
 
 if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Darwin")
-    list(APPEND srcs getrandom.c)
+    list(APPEND srcs getrandom.c assert_func.c)
 endif()
 
 idf_component_register(INCLUDE_DIRS include

components/linux/assert_func.c

@@ -0,0 +1,23 @@
+/*
+ * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <stdio.h>
+#include "hal/assert.h"
+
+// Implementation of __assert_func for macOS.
+void __assert_func(const char *file, int line, const char *func, const char *expr)
+{
+    fprintf(stderr, "assert failed at %s:%d (%s): %s\n", file, line, func, expr);
+    abort();
+}
+
+// Defining this symbol as well, since `hal` component will add "-U __assert_func" linker option,
+// and symbols are prefixed with an additional underscore on macOS.
+// (Can't use __attribute__((alias)) because aliases are not supported on macOS.)
+void _assert_func(const char *file, int line, const char *func, const char *expr)
+{
+    __assert_func(file, line, func, expr);
+}

components/linux/include/machine/endian.h

@@ -0,0 +1,11 @@
+/*
+ * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#pragma once
+#if __APPLE__
+#include_next <machine/endian.h>
+#else
+#include <endian.h>
+#endif

tools/cmake/scripts/data_file_embed_asm.cmake

@@ -71,7 +71,9 @@ endif()
 append_line(" */")
 
 append_line(".data")
+append_line("#if !defined (__APPLE__) && !defined (__linux__)")
 append_line(".section .rodata.embedded")
+append_line("#endif")
 make_and_append_identifier("${varname}")
 make_and_append_identifier("_binary_${varname}_start" "for objcopy compatibility")
 append("${data}")