[Bug build/17248] New: gcc plugins cannot be passed arguments in CFLAGS

[Bug build/17248] New: gcc plugins cannot be passed arguments in CFLAGS

[pageexec at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=17248

            Bug ID: 17248
           Summary: gcc plugins cannot be passed arguments in CFLAGS
           Product: glibc
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: build
          Assignee: unassigned at sourceware dot org
          Reporter: pageexec at gmail dot com
                CC: carlos at redhat dot com

since glibc's Makeconfig calls $(sort) on CFLAGS, it is not possible to pass
"-fplugin=... -fplugin-arg-..." in there as sort will reverse their order and
gcc doesn't accept that.

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[Bug build/17248] gcc plugins cannot be passed arguments in CFLAGS

[schwab@linux-m68k.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=17248

--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
That looks like a bug in gcc.

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[Bug build/17248] gcc plugins cannot be passed arguments in CFLAGS

[pageexec at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=17248

--- Comment #2 from PaX Team <pageexec at gmail dot com> ---
well, it's arguably a feature since fplugin-arg-... encodes the plugin name
that it applies to (i guess someone didn't want to do lazy plugin argument
processing for some reason). in any case, using sort does more than just
eliminate duplicates and it's a ticking bomb regardless of how -fplugin-* is
handled (just imagine what happens to "-fstack-protector -fno-stack-protector"
that can easily come from a build system and sorting them would undo the user's
intention).

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[Bug build/17248] gcc plugins cannot be passed arguments in CFLAGS

[carlos at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=17248

--- Comment #3 from Carlos O'Donell <carlos at redhat dot com> ---
This is not a gcc bug, this is a glibc problem, we shouldn't be sorting CFLAGS
for internal use. It's not what developers expect.

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[Bug build/17248] gcc plugins cannot be passed arguments in CFLAGS

[pageexec at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=17248

--- Comment #4 from PaX Team <pageexec at gmail dot com> ---
is there any agreement/progress on this issue?

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