diff options
| -rw-r--r-- | config/Config-build.in | 8 | ||||
| -rw-r--r-- | include/package.mk | 2 |
2 files changed, 9 insertions, 1 deletions
diff --git a/config/Config-build.in b/config/Config-build.in index 8c81ef654c..f93ad37586 100644 --- a/config/Config-build.in +++ b/config/Config-build.in @@ -144,6 +144,14 @@ menu "Global build settings" help Adds -g3 to the CFLAGS. + config USE_GC_SECTIONS + bool + prompt "Dead code and data elimination for all packages (EXPERIMENTAL)" + help + Places functions and data items into its own sections to use the linker's + garbage collection capabilites. + Packages can choose to opt-out via setting PKG_BUILD_FLAGS:=no-gc-sections + config IPV6 def_bool y diff --git a/include/package.mk b/include/package.mk index 0fb947f035..687f74edc1 100644 --- a/include/package.mk +++ b/include/package.mk @@ -51,7 +51,7 @@ ifdef CONFIG_USE_MIPS16 TARGET_CXXFLAGS += -mips16 -minterlink-mips16 endif endif -ifeq ($(call pkg_build_flag,gc-sections,0),1) +ifeq ($(call pkg_build_flag,gc-sections,$(if $(CONFIG_USE_GC_SECTIONS),1,0)),1) TARGET_CFLAGS+= -ffunction-sections -fdata-sections TARGET_CXXFLAGS+= -ffunction-sections -fdata-sections TARGET_LDFLAGS+= -Wl,--gc-sections |