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Configure: clang: move -Wno-unknown-warning-option to the front 

While gcc ignores unknown options of the type '-Wno-xxx', clang by default issues
a warning [-Wunknown-warning-option] (see [3]), which together with '-Werror'
causes the build to fail. This turned out to be a problem on the 1.0.2 stable branch
in the case of the '-Wextended-offsetof' option, which was removed in version 6.0.0,
but needs to be kept here in order to support older clang versions, too (see #9446).

Incidentally, master and 1.1.1 branch already contained the -Wno-unknown-warning-option
option. Due to its special role and its importance, this commit adds an explaining
commit message and moves the option to the front.

[extended tests]

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de>
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/9447)
This commit is contained in:
Dr. Matthias St. Pierre 2019-07-23 20:54:03 +02:00
parent a1a0e6f285
commit 03e5668343
1 changed files with 1 additions and 1 deletions
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@ -144,13 +144,13 @@ my @gcc_devteam_warn = qw(
# -Wunused-macros -- no, too tricky for BN and _XOPEN_SOURCE etc # -Wunused-macros -- no, too tricky for BN and _XOPEN_SOURCE etc
# -Wextended-offsetof -- no, needed in CMS ASN1 code # -Wextended-offsetof -- no, needed in CMS ASN1 code
my @clang_devteam_warn = qw( my @clang_devteam_warn = qw(
-Wno-unknown-warning-option
-Wswitch-default -Wswitch-default
-Wno-parentheses-equality -Wno-parentheses-equality
-Wno-language-extension-token -Wno-language-extension-token
-Wno-extended-offsetof -Wno-extended-offsetof
-Wconditional-uninitialized -Wconditional-uninitialized
-Wincompatible-pointer-types-discards-qualifiers -Wincompatible-pointer-types-discards-qualifiers
-Wno-unknown-warning-option
-Wmissing-variable-declarations -Wmissing-variable-declarations
); );