mirror of
https://git.tukaani.org/xz.git
synced 2024-04-04 12:36:23 +02:00
Build: Update the comment about -Werror usage in checks.
This commit is contained in:
parent
a37a276338
commit
092d21db2e
1 changed files with 8 additions and 2 deletions
10
configure.ac
10
configure.ac
|
@ -832,8 +832,14 @@ AC_C_BIGENDIAN
|
||||||
|
|
||||||
# __attribute__((__constructor__)) can be used for one-time initializations.
|
# __attribute__((__constructor__)) can be used for one-time initializations.
|
||||||
# Use -Werror because some compilers accept unknown attributes and just
|
# Use -Werror because some compilers accept unknown attributes and just
|
||||||
# give a warning. If it works this should give no warnings, even
|
# give a warning.
|
||||||
# clang -Weverything should be fine.
|
#
|
||||||
|
# FIXME? Unfortunately -Werror can cause trouble if CFLAGS contains options
|
||||||
|
# that produce warnings for unrelated reasons. For example, GCC and Clang
|
||||||
|
# support -Wunused-macros which will warn about "#define _GNU_SOURCE 1"
|
||||||
|
# which will be among the #defines that Autoconf inserts to the beginning of
|
||||||
|
# the test program. There seems to be no nice way to prevent Autoconf from
|
||||||
|
# inserting the any defines to the test program.
|
||||||
AC_MSG_CHECKING([if __attribute__((__constructor__)) can be used])
|
AC_MSG_CHECKING([if __attribute__((__constructor__)) can be used])
|
||||||
have_func_attribute_constructor=no
|
have_func_attribute_constructor=no
|
||||||
OLD_CFLAGS="$CFLAGS"
|
OLD_CFLAGS="$CFLAGS"
|
||||||
|
|
Loading…
Reference in a new issue