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authorAlexey Neyman <stilor@att.net>2018-05-15 23:41:28 (GMT)
committerGitHub <noreply@github.com>2018-05-15 23:41:28 (GMT)
commitd274ab06fe807b2a85223391de9aa484e9bbff08 (patch)
tree3de1fc2aadf622ce02226f254d908d39e25e3988 /config
parent844c83cac209ca7f99684dee14f1c3d64c6ee27e (diff)
parent37ac0e8474883ce9202ef4e08b7d9f9f66ea8a5d (diff)
Merge pull request #967 from stilor/fix-building-older-glibc
Fix building older glibc
Diffstat (limited to 'config')
-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