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-rw-r--r--config/libc/glibc.in12
1 files changed, 12 insertions, 0 deletions
diff --git a/config/libc/glibc.in b/config/libc/glibc.in
index a297bb1..5916a83 100644
--- a/config/libc/glibc.in
+++ b/config/libc/glibc.in
@@ -320,4 +320,16 @@ config GLIBC_MIN_KERNEL
default LINUX_VERSION if GLIBC_KERNEL_VERSION_AS_HEADERS
default GLIBC_MIN_KERNEL_VERSION if GLIBC_KERNEL_VERSION_CHOSEN
+# All supported versions of glibc build cleanly with GCC7 and earlier.
+# GCC8-related fixes were only available in glibc 2.27.
+config GLIBC_ENABLE_WERROR
+ bool "Enable -Werror during the build"
+ default y if GCC_7_or_older
+ default y if GCC_8_or_later && GLIBC_2_27_or_later
+ help
+ By default, glibc enables strict warning checks during the build.
+ However, older version of glibc may not build with newer versions
+ of the compiler than there were available at the time of a glibc
+ release (because newer compilers typically have better diagnostics).
+
endif # KERNEL_LINUX