https://sourceware.org/bugzilla/show_bug.cgi?id=24964
Mark Wielaard <mark at klomp dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |FIXED
--- Comment #5 from Mark Wielaard <mark at klomp dot org> ---
commit 6eb991a9ebc45cc468a049ef30a98a0f7cad4a0d
Author: Adrian Ratiu <[email protected]>
Date: Mon Aug 30 18:43:13 2021 +0300
configure.ac: rework gnu99 ext check to allow clang
It is true that Clang does not support all gnu99 extensions [1],
but not all of them are used in the codebase and over time there
have been code cleanup efforts to improve Clang support.
For example after commit 779c57ea ("readelf: Pull advance_pc()
in file scope") there are no more nested function declarations
and elfutils now builds fine with Clang.
So in the interest of enabling Clang builds we remove the only
remaining blocker: the configure checks for nested functions and
variable length arrays which are also unused.
Considering mixed decls and code is also part of c99 standard,
the entire check becomes redundant and we can just replace
AC_PROG_CC -> AC_PROG_CC_C99.
[1] https://sourceware.org/bugzilla/show_bug.cgi?id=24964
Signed-off-by: Adrian Ratiu <[email protected]>
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