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* Improve detection of -fzero-call-used-regs=all supportColin Watson2022-02-251-0/+3
| | | | | GCC doesn't tell us whether this option is supported unless it runs into the situation where it would need to emit corresponding code.
* Replace AC_TRY_COMPILE obsoleted in autoconf 2.70.Darren Tucker2020-11-061-8/+9
| | | | Replace with the equivalent AC_COMPILE_IFELSE.
* Quote the definition of OSSH_CHECK_HEADER_FOR_FIELDSebastian Andrzej Siewior2020-09-111-1/+1
| | | | | | | | | | autoreconf complains about underquoted definition of OSSH_CHECK_HEADER_FOR_FIELD after aclocal.m4 has been and now is beeing recreated. Quote OSSH_CHECK_HEADER_FOR_FIELD as suggested. Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
* Move the local m4 macrosSebastian Andrzej Siewior2020-09-111-0/+199
The `aclocal' step is skipped during `autoreconf' because aclocal.m4 is present. Move the current aclocal.m4 which contains local macros into the m4/ folder. With this change the aclocal.m4 will be re-created during changes to the m4/ macro. This is needed so the `aclocal' can fetch m4 macros from the system if they are references in the configure script. This is a prerequisite to use PKG_CHECK_MODULES. Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>