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65 lines
2.2 KiB
Plaintext
65 lines
2.2 KiB
Plaintext
# actest.m4 -*- autoconf -*-
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# Additional Autoconf macros to ease testing.
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# join(SEP, ARG1, ARG2...)
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# ------------------------
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# Produce ARG1SEPARG2...SEPARGn.
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define([join],
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[ifelse([$#], [1], [],
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[$#], [2], [[$2]],
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[[$2][$1]join([$1], m4_shift(m4_shift($@)))])])
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# AC_ENV_SAVE(FILE)
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# ------------------
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# Save the environment, but the variables we are allowed to touch.
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# This is to check no test touches the user name space.
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# FIXME: There are surely better ways. Explore for instance if
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# we can ask help from AC_SUBST. We have the right to touch what
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# is AC_SUBST.
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# - ^ac_
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# Autoconf's shell name space.
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# - ALLOCA|NEED_SETGID|KMEM_GROUP
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# AC_FUNCs from acspecific.
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# - AWK|LEX|LEXLIB|LEX_OUTPUT_ROOT|LN_S|M4|RANLIB|SET_MAKE|YACC
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# AC_PROGs from acspecific
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# - _|@|.[*#?].|LINENO|OLDPWD|PIPESTATUS|RANDOM|SECONDS
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# Some variables some shells use and change
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# - POW_LIB
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# From acfunctions.m4.
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AC_DEFUN([AC_ENV_SAVE],
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[(set) 2>&1 |
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egrep -v -e \
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'join([|],
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[^ac_],
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[^(CC|CFLAGS|CPP|GCC|CXX|CXXFLAGS|CXXCPP|GXX|F77|FFLAGS|FLIBS|G77)=],
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[^(LIBS|LIBOBJS|LDFLAGS)=],
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[^INSTALL(_(DATA|PROGRAM|SCRIPT))?=],
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[^(CYGWIN|ISC|MINGW32|MINIX|EMXOS2|XENIX|EXEEXT|OBJEXT)=],
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[^(X_(CFLAGS|(EXTRA_|PRE_)?LIBS)|x_(includes|libraries)|(have|no)_x)=],
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[^(host|build|target)(_(alias|cpu|vendor|os))?=],
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[^(cross_compiling)=],
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[^(interpval)=],
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[^(f77_(case|underscore))=],
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[^(ALLOCA|GETLOADAVG_LIBS|KMEM_GROUP|NEED_SETGID|POW_LIB)=],
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[^(AWK|LEX|LEXLIB|LEX_OUTPUT_ROOT|LN_S|M4|RANLIB|SET_MAKE|YACC)=],
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[^(_|@|.[*#?].|LINENO|OLDPWD|PIPESTATUS|RANDOM|SECONDS)=])' |
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# There maybe variables spread on several lines, eg IFS, remove the dead
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# lines
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fgrep = >$1
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])
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# AC_DEFUBST(NAME)
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# ----------------
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# Related VALUE to NAME both with AC_SUBST and AC_DEFINE. This is
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# used in the torture tests.
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AC_DEFUN([AC_DEFUBST],
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[AC_DUMMY_VAR($1)="AC_DEFUBST_VALUE"
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AC_DEFINE_UNQUOTED(AC_DUMMY_VAR($1),
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"$AC_DUMMY_VAR($1)",
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[Define to a long string if your `Autoconf' works
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properly.])
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AC_SUBST(AC_DUMMY_VAR($1))])
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