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[PATCH 0/4] configure: propagate --extra-cflags and --extra-ldflags to m
[PATCH 0/4] configure: propagate --extra-cflags and --extra-ldflags to meson compile tests
Mon, 8 Nov 2021 09:43:18 +0100
Meson (intentionally) does not add QEMU_CFLAGS to cc.compiles/cc.links
tests, as they are supposed to be independent of the specific sets of
compilation flags used to build the programs. However, the user can
still use CFLAGS or the toolchain file's LANG_args/LANG_link_args option
to specify -I or -L options that apply to cc.compiles/cc.links as well.
This is also the intended use of configure's --extra-cflags,
--extra-cxxflags and --extra-ldflags options. For example, if
one has netmap's header in a nonstandard directory, up to commit
837b84b1c078bf3e909 it used to work fine to do:
.../configure --enable-netmap \
but since the test was converted to meson, this does not work anymore.
The main change in the series is in patch 3, where these options are
passed to meson via the toolchain file, instead of via config-host.mak.
This solves the issue since the toolchain file's variables have the
same purpose as configure's --extra-*flags arguments.
Paolo Bonzini (4):
configure: simplify calls to meson_quote
configure: preserve CFLAGS, CXXFLAGS and LDFLAGS in config.status
configure: propagate --extra-cflags and --extra-ldflags to meson
configure: ignore preexisting QEMU_*FLAGS envvars
configure | 46 ++++++++++++++++++++++++++++------------------
1 file changed, 28 insertions(+), 18 deletions(-)
- [PATCH 0/4] configure: propagate --extra-cflags and --extra-ldflags to meson compile tests,
Paolo Bonzini <=