update obsolete autoconf constructs
Part of #447. * configure.ac, m4/debug.m4, m4/devel.m4, m4/gccoptim.m4, m4/ndebug.m4: Replace AC_ERROR and AC_HELP_STRING by by AC_MSG_ERROR and AS_HELP_STRING.
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5 changed files with 13 additions and 13 deletions
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@ -1,7 +1,7 @@
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dnl Adapted from Akim Demaille <akim@epita.fr> ad_GCC_WARNINGS.
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AC_DEFUN([ad_GCC_OPTIM],
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[AC_ARG_ENABLE([optimizations],
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[AC_HELP_STRING([--disable-optimizations],
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[AS_HELP_STRING([--disable-optimizations],
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[turn off aggressive optimizations])])
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if test -n "$GCC" && test "${enable_optimizations-yes}" = "yes"; then
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AC_CACHE_CHECK([for gcc optimization options], ac_cv_prog_gcc_opt_flags,
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