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* m4: prepare gl_WARN_ADD for simultaneous use of multiple compilersDmitry V. Levin2016-12-071-7/+11
| | | | | | | | | | | * m4/warnings.m4 (gl_COMPILER_OPTION_IF): Change gl_Flags to use _AC_LANG_PREFIX[]FLAGS in unquoted form. Change gl_Warn to use gl_Flags instead of _AC_LANG_ABBREV. Change notification message to mention the variable name of the compiler. (gl_UNKNOWN_WARNINGS_ARE_ERRORS): Do nothing if gl_unknown_warnings_are_errors is set. (gl_WARN_ADD): Change the use of gl_UNKNOWN_WARNINGS_ARE_ERRORS from AC_REQUIRE to a regular call.
* Update warnings.m4Dmitry V. Levin2015-01-211-18/+61
| | | | * m4/warnings.m4: Update from gnulib.
* Import warnings.m4 from gnulibDmitry V. Levin2010-09-091-11/+35
| | | | | | * m4/warnings.m4: Replace with warnings.m4 from gnulib. * configure.ac: Use gl_WARN_ADD from new warnings.m4. * Makefile.am (AM_CFLAGS): Update for new warnings.m4.
* Split acinclude.m4Dmitry V. Levin2010-09-091-0/+12
* Makefile.am (ACLOCAL_AMFLAGS): Add "-I m4". * acinclude.m4: Remove. * m4/includedir.m4: New file, with definition of AC_INCLUDEDIR from acinclude.m4. * m4/long_long.m4: New file, with definitions of AC_OFF_T_IS_LONG_LONG, AC_RLIM_T_IS_LONG_LONG and AC_LITTLE_ENDIAN_LONG_LONG from acinclude.m4. * m4/procfs.m4: New file, with definitions of AC_MP_PROCFS, AC_POLLABLE_PROCFS and AC_STRUCT_PR_SYSCALL from acinclude.m4. * m4/stat.m4: New file, with definition of AC_STAT64 from acinclude.m4. * m4/statfs.m4: New file, with definition of AC_STATFS64 from acinclude.m4. * m4/warnings.m4: New file, with definition of AC_WARNFLAGS from acinclude.m4.