On 7 August 2017 at 17:16, Reuben Thomas <[email protected]> wrote: > On 7 August 2017 at 17:11, Reuben Thomas <[email protected]> wrote: > >> On 7 August 2017 at 16:42, Bruno Haible <[email protected]> wrote: >> >>> >>> > Currently in my configure.ac, I have: >>> > >>> > AC_LANG_PUSH([C++]) >>> > gl_MANYWARN_ALL_GCC([cxx_warnings]) >>> > >>> > dnl Enable all G++ warnings not in this list. >>> > gl_MANYWARN_COMPLEMENT([cxx_warnings], [$cxx_warnings], [$nw]) >>> > for w in $cxx_warnings; do >>> > gl_WARN_ADD([$w]) >>> > done >>> > AC_LANG_POP >>> > >>> > which seems to work. >>> >>> Yes, this is how the multi-language facilities are supposed to be used. >>> >> >> OK, now that some of the code is in a new file, I get: >> >> configure.ac:90: error: gl_MANYWARN_ALL_GCC: unknown language: C++ >> m4/manywarnings.m4:38: gl_MANYWARN_ALL_GCC is expanded from... >> configure.ac:90: the top level >> >> Line 90 is the call of gl_MANYWARN_ALL_GCC in the code extract above. >> > > manywarnings-c++.m4 is not referenced in aclocal.m4, though it has been > symlinked into the project's m4 directory by bootstrap. > Is this because aclocal finds gl_MANYWARN_ALL_GCC defined in manywarnings.m4, so doesn't bother looking in manywarnings-c++.m4?
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