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glibc: rework GLIBC_ENABLE_WERROR

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Use `depends on` conditions to enable/disable building glibc with
-Werror. Using `depends on` instead of `default if` means that when the
GCC/GLIBC selection changes GLIBC_ENABLE_WERROR will automatically
become n.

Fixes #1729, fixes #1712
Signed-off-by: Chris Packham <judge.packham@gmail.com>
This commit is contained in:
Chris Packham 2022-05-25 21:44:16 +12:00
parent dec3d3a421
commit a321a0b892
1 changed files with 6 additions and 5 deletions
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11
config/libc/glibc.in
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@ -401,11 +401,12 @@ config GLIBC_SSP
# GCC11-related fixes were available in glibc 2.34
config GLIBC_ENABLE_WERROR
bool "Enable -Werror during the build"
default y if GCC_7_or_older
default y if GCC_8_or_later && !GCC_9_or_later && GLIBC_2_27_or_later
default y if GCC_9_or_later && !GCC_10_or_later && GLIBC_2_29_or_later
default y if GCC_10_or_later && !GCC_11_or_later && GLIBC_2_31_or_later
default y if GCC_11_or_later && GLIBC_2_34_or_later
depends on GCC_7_or_older || \
(GCC_8_or_later && !GCC_9_or_later && GLIBC_2_27_or_later) || \
(GCC_9_or_later && !GCC_10_or_later && GLIBC_2_29_or_later) || \
(GCC_10_or_later && !GCC_11_or_later && GLIBC_2_31_or_later) || \
(GCC_11_or_later && GLIBC_2_34_or_later)
default y
help
By default, glibc enables strict warning checks during the build.
However, older version of glibc may not build with newer versions