39646dce3
Denys Vlasenko
2020-12-16
Subject
build system: make -static-libgcc selectable in config
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Config.in+8 -0
| @@ -529,6 +529,14 @@ config STACK_OPTIMIZATION_386 | |
| do not work with it (they use SSE instructions without | |
| ensuring stack alignment). | |
| + | config STATIC_LIBGCC |
| + | bool "Use -static-libgcc" |
| + | default y |
| + | help |
| + | This option instructs gcc to link in a static version of its |
| + | support library, libgcc. This means that the binary will require |
| + | one fewer dynamic library at run time. |
| + | |
| comment 'Installation Options ("make install" behavior)' | |
| choice | |
Makefile.flags+2 -1
| @@ -58,7 +58,8 @@ CFLAGS += $(call cc-option,-fno-builtin-strlen -fomit-frame-pointer -ffunction-s | |
| CFLAGS += $(call cc-option,-fno-guess-branch-probability,) | |
| CFLAGS += $(call cc-option,-funsigned-char,) | |
| - | ifneq ($(CC),clang) |
| + | ifeq ($(CONFIG_STATIC_LIBGCC),y) |
| + | # Disable it, for example, if you get |
| # "clang-9: warning: argument unused during compilation: '-static-libgcc'" | |
| CFLAGS += $(call cc-option,-static-libgcc,) | |
| endif | |