From: Renz Christian Bagaporo <renz@espressif.com>
Date: Sun, 7 Apr 2019 12:33:56 +0000 (+0800)
Subject: esp_common: append gc sections link flag
X-Git-Tag: v4.0-beta1~329^2~3
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=c564d1730fb6dc38bb6fa3a30366d49ad3f73300;p=esp-idf

esp_common: append gc sections link flag
---

diff --git a/components/esp_common/CMakeLists.txt b/components/esp_common/CMakeLists.txt
index 3ba1b8224d..18ffe93678 100644
--- a/components/esp_common/CMakeLists.txt
+++ b/components/esp_common/CMakeLists.txt
@@ -4,6 +4,7 @@ if(BOOTLOADER_BUILD)
     set(COMPONENT_REQUIRES ${IDF_COMPONENTS})
     set(COMPONENT_SRCS )
     register_component()
+    set_property(TARGET ${COMPONENT_LIB} APPEND PROPERTY INTERFACE_LINK_LIBRARIES "-Wl,--gc-sections")
 else()
     # Regular app build
     set(COMPONENT_SRCS
@@ -26,4 +27,6 @@ else()
         "src/stack_check.c"
         PROPERTIES COMPILE_FLAGS
         -fno-stack-protector)
+    set_property(TARGET ${COMPONENT_LIB} APPEND PROPERTY LINK_LIBRARIES "-Wl,--gc-sections")
+    set_property(TARGET ${COMPONENT_LIB} APPEND PROPERTY INTERFACE_LINK_LIBRARIES "-Wl,--gc-sections")
 endif()
diff --git a/tools/cmake/project.cmake b/tools/cmake/project.cmake
index 437e715a48..4522d0a2cf 100644
--- a/tools/cmake/project.cmake
+++ b/tools/cmake/project.cmake
@@ -352,7 +352,6 @@ macro(project project_name)
     add_executable(${project_elf} "${project_elf_src}")
     add_dependencies(${project_elf} _project_elf_src)
 
-    target_link_libraries(${project_elf} "-Wl,--gc-sections")
     target_link_libraries(${project_elf} "-Wl,--start-group")
 
     if(test_components)