Edit
kc3-lang/automake/aclocal.m4
Tom Tromey
- aclocal.m4
-
# aclocal.m4 generated automatically by aclocal 1.4f # Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000 # Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. # Do all the work for Automake. This macro actually does too much -- # some checks are only needed if your package does certain things. # But this isn't really a big deal. # serial 5 # There are a few dirty hacks below to avoid letting `AC_PROG_CC' be # written in clear, in which case automake, when reading aclocal.m4, # will think it sees a *use*, and therefore will trigger all it's # C support machinery. Also note that it means that autoscan, seeing # CC etc. in the Makefile, will ask for an AC_PROG_CC use... # We require 2.13 because we rely on SHELL being computed by configure. AC_PREREQ([2.13]) # AC_PROVIDE_IFELSE(MACRO-NAME, IF-PROVIDED, IF-NOT-PROVIDED) # ----------------------------------------------------------- # If MACRO-NAME is provided do IF-PROVIDED, else IF-NOT-PROVIDED. # The purpose of this macro is to provide the user with a means to # check macros which are provided without letting her know how the # information is coded. # If this macro is not defined by Autoconf, define it here. ifdef([AC_PROVIDE_IFELSE], [], [define([AC_PROVIDE_IFELSE], [ifdef([AC_PROVIDE_$1], [$2], [$3])])]) # AM_INIT_AUTOMAKE(PACKAGE,VERSION, [NO-DEFINE]) # ---------------------------------------------- AC_DEFUN([AM_INIT_AUTOMAKE], [AC_REQUIRE([AC_PROG_INSTALL])dnl # test to see if srcdir already configured if test "`CDPATH=:; cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then AC_MSG_ERROR([source directory already configured; run \"make distclean\" there first]) fi # Define the identity of the package. PACKAGE=$1 AC_SUBST(PACKAGE)dnl VERSION=$2 AC_SUBST(VERSION)dnl ifelse([$3],, [AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package]) AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])]) # Autoconf 2.50 wants to disallow AM_ names. We explicitly allow # the ones we care about. ifdef([m4_pattern_allow], [m4_pattern_allow([^AM_(C|CPP|CXX|OBJC|F|R|GCJ)FLAGS])])dnl # Some tools Automake needs. AC_REQUIRE([AM_SANITY_CHECK])dnl AC_REQUIRE([AC_ARG_PROGRAM])dnl AM_MISSING_PROG(ACLOCAL, aclocal) AM_MISSING_PROG(AUTOCONF, autoconf) AM_MISSING_PROG(AUTOMAKE, automake) AM_MISSING_PROG(AUTOHEADER, autoheader) AM_MISSING_PROG(MAKEINFO, makeinfo) AM_MISSING_PROG(AMTAR, tar) AM_MISSING_INSTALL_SH AM_PROG_INSTALL_STRIP # We need awk for the "check" target. The system "awk" is bad on # some platforms. AC_REQUIRE([AC_PROG_AWK])dnl AC_REQUIRE([AC_PROG_MAKE_SET])dnl AC_REQUIRE([AM_DEP_TRACK])dnl AC_REQUIRE([AM_SET_DEPDIR])dnl AC_PROVIDE_IFELSE([AC_PROG_][CC], [AM_DEPENDENCIES(CC)], [define([AC_PROG_][CC], defn([AC_PROG_][CC])[AM_DEPENDENCIES(CC)])])dnl AC_PROVIDE_IFELSE([AC_PROG_][CXX], [AM_DEPENDENCIES(CXX)], [define([AC_PROG_][CXX], defn([AC_PROG_][CXX])[AM_DEPENDENCIES(CXX)])])dnl ]) # # Check to make sure that the build environment is sane. # # serial 3 # AM_SANITY_CHECK # --------------- AC_DEFUN([AM_SANITY_CHECK], [AC_MSG_CHECKING([whether build environment is sane]) # Just in case sleep 1 echo timestamp > conftest.file # Do `set' in a subshell so we don't clobber the current shell's # arguments. Must try -L first in case configure is actually a # symlink; some systems play weird games with the mod time of symlinks # (eg FreeBSD returns the mod time of the symlink's containing # directory). if ( set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null` if test "$[*]" = "X"; then # -L didn't work. set X `ls -t $srcdir/configure conftest.file` fi rm -f conftest.file if test "$[*]" != "X $srcdir/configure conftest.file" \ && test "$[*]" != "X conftest.file $srcdir/configure"; then # If neither matched, then we have a broken ls. This can happen # if, for instance, CONFIG_SHELL is bash and it inherits a # broken ls alias from the environment. This has actually # happened. Such a system could not be considered "sane". AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken alias in your environment]) fi test "$[2]" = conftest.file ) then # Ok. : else AC_MSG_ERROR([newly created file is older than distributed files! Check your system clock]) fi AC_MSG_RESULT(yes)]) # serial 2 # AM_MISSING_PROG(NAME, PROGRAM) # ------------------------------ AC_DEFUN([AM_MISSING_PROG], [AC_REQUIRE([AM_MISSING_HAS_RUN]) $1=${$1-"${am_missing_run}$2"} AC_SUBST($1)]) # AM_MISSING_INSTALL_SH # --------------------- # Like AM_MISSING_PROG, but only looks for install-sh. AC_DEFUN([AM_MISSING_INSTALL_SH], [AC_REQUIRE([AM_MISSING_HAS_RUN]) if test -z "$install_sh"; then for install_sh in "$ac_aux_dir/install-sh" \ "$ac_aux_dir/install.sh" \ "${am_missing_run}${ac_auxdir}/install-sh"; do test -f "$install_sh" && break done # FIXME: an evil hack: we remove the SHELL invocation from # install_sh because automake adds it back in. Sigh. install_sh=`echo $install_sh | sed -e 's/\${SHELL}//'` fi AC_SUBST(install_sh)]) # AM_MISSING_HAS_RUN # ------------------ # Define MISSING if not defined so far and test if it supports --run. # If it does, set am_missing_run to use it, otherwise, to nothing. AC_DEFUN([AM_MISSING_HAS_RUN], [test x"${MISSING+set}" = xset || MISSING="\${SHELL} `CDPATH=:; cd $ac_aux_dir && pwd`/missing" # Use eval to expand $SHELL if eval "$MISSING --run true"; then am_missing_run="$MISSING --run " else am_missing_run= am_backtick='`' AC_MSG_WARN([${am_backtick}missing' script is too old or missing]) fi ]) # AM_AUX_DIR_EXPAND # For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets # $ac_aux_dir to ${srcdir}/foo. In other projects, it is set to `.'. # Of course, Automake must honor this variable whenever it call a tool # from the auxiliary directory. The problem is that $srcdir (hence # $ac_aux_dir) can be either an absolute path or a path relative to # $top_srcdir or absolute, this depends on how configure is run. This # is pretty anoying since it makes $ac_aux_dir quite unusable in # subdirectories: on the top source directory, any form will work # fine, but in subdirectories relative pat needs to be adapted. # - calling $top_srcidr/$ac_aux_dir/missing would success if $srcdir is # relative, but fail if $srcdir is absolute # - conversly, calling $ax_aux_dir/missing would fail if $srcdir is # absolute, and success on relative paths. # # Consequently, we define and use $am_aux_dir, the "always absolute" # version of $ac_aux_dir. AC_DEFUN([AM_AUX_DIR_EXPAND], [ # expand $ac_aux_dir to an absolute path am_aux_dir=`CDPATH=:; cd $ac_aux_dir && pwd` ]) # One issue with vendor `install' (even GNU) is that you can't # specify the program used to strip binaries. This is especially # annoying in cross-compiling environments, where the build's strip # is unlikely to handle the host's binaries. # Fortunately install-sh will honor a STRIPPROG variable, so we # always use install-sh in `make install-strip', and initialize # STRIPPROG with the value of the STRIP variable (set by the user). AC_DEFUN([AM_PROG_INSTALL_STRIP], [AC_REQUIRE([AM_MISSING_INSTALL_SH])dnl _am_dirpart="`echo $install_sh | sed -e 's,//*[[^/]]*$,,'`" INSTALL_STRIP_PROGRAM="\${SHELL} \`CDPATH=: && cd $_am_dirpart && pwd\`/install-sh -c -s" AC_SUBST([INSTALL_STRIP_PROGRAM])]) # serial 3 # There are a few dirty hacks below to avoid letting `AC_PROG_CC' be # written in clear, in which case automake, when reading aclocal.m4, # will think it sees a *use*, and therefore will trigger all it's # C support machinery. Also note that it means that autoscan, seeing # CC etc. in the Makefile, will ask for an AC_PROG_CC use... # AM_DEPENDENCIES(NAME) # --------------------- # See how the compiler implements dependency checking. # NAME is "CC", "CXX" or "OBJC". # We try a few techniques and use that to set a single cache variable. AC_DEFUN([AM_DEPENDENCIES], [AC_REQUIRE([AM_SET_DEPDIR])dnl AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl am_compiler_list= ifelse([$1], CC, [AC_REQUIRE([AC_PROG_][CC])dnl AC_REQUIRE([AC_PROG_][CPP]) depcc="$CC" depcpp="$CPP"], [$1], CXX, [AC_REQUIRE([AC_PROG_][CXX])dnl AC_REQUIRE([AC_PROG_][CXXCPP]) depcc="$CXX" depcpp="$CXXCPP"], [$1], OBJC, [am_compiler_list='gcc3 gcc' depcc="$OBJC" depcpp=""], [$1], GCJ, [am_compiler_list='gcc3 gcc' depcc="$GCJ" depcpp=""], [AC_REQUIRE([AC_PROG_][$1])dnl depcc="$$1" depcpp=""]) AC_REQUIRE([AM_MAKE_INCLUDE]) AC_REQUIRE([AM_DEP_TRACK]) AC_CACHE_CHECK([dependency style of $depcc], [am_cv_$1_dependencies_compiler_type], [if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then # We make a subdir and do the tests there. Otherwise we can end up # making bogus files that we don't know about and never remove. For # instance it was reported that on HP-UX the gcc test will end up # making a dummy file named `D' -- because `-MD' means `put the output # in D'. mkdir confdir # Copy depcomp to subdir because otherwise we won't find it if we're # using a relative directory. cp "$am_depcomp" confdir cd confdir am_cv_$1_dependencies_compiler_type=none if test "$am_compiler_list" = ""; then am_compiler_list="`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp`" fi for depmode in $am_compiler_list; do # We need to recreate these files for each test, as the compiler may # overwrite some of them when testing with obscure command lines. # This happens at least with the AIX C compiler. echo '#include "conftest.h"' > conftest.c echo 'int i;' > conftest.h case "$depmode" in nosideeffect) # after this tag, mechanisms are not by side-effect, so they'll # only be used when explicitly requested if test "x$enable_dependency_tracking" = xyes; then continue else break fi ;; none) break ;; esac # We check with `-c' and `-o' for the sake of the "dashmstdout" # mode. It turns out that the SunPro C++ compiler does not properly # handle `-M -o', and we need to detect this. if depmode="$depmode" \ source=conftest.c object=conftest.o \ depfile=conftest.Po tmpdepfile=conftest.TPo \ $SHELL ./depcomp $depcc -c conftest.c -o conftest.o >/dev/null 2>&1 && grep conftest.h conftest.Po > /dev/null 2>&1; then am_cv_$1_dependencies_compiler_type="$depmode" break fi done cd .. rm -rf confdir else am_cv_$1_dependencies_compiler_type=none fi ]) $1DEPMODE="depmode=$am_cv_$1_dependencies_compiler_type" AC_SUBST([$1DEPMODE]) ]) # AM_SET_DEPDIR # ------------- # Choose a directory name for dependency files. # This macro is AC_REQUIREd in AM_DEPENDENCIES AC_DEFUN([AM_SET_DEPDIR], [if test -d .deps || mkdir .deps 2> /dev/null || test -d .deps; then DEPDIR=.deps # We redirect because .deps might already exist and be populated. # In this situation we don't want to see an error. rmdir .deps > /dev/null 2>&1 else DEPDIR=_deps fi AC_SUBST(DEPDIR) ]) # AM_DEP_TRACK # ------------ AC_DEFUN([AM_DEP_TRACK], [AC_ARG_ENABLE(dependency-tracking, [ --disable-dependency-tracking Speeds up one-time builds --enable-dependency-tracking Do not reject slow dependency extractors]) if test "x$enable_dependency_tracking" != xno; then am_depcomp="$ac_aux_dir/depcomp" AMDEPBACKSLASH='\' fi AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno]) pushdef([subst], defn([AC_SUBST])) subst(AMDEPBACKSLASH) popdef([subst]) ]) # Generate code to set up dependency tracking. # This macro should only be invoked once -- use via AC_REQUIRE. # Usage: # AM_OUTPUT_DEPENDENCY_COMMANDS # # This code is only required when automatic dependency tracking # is enabled. FIXME. This creates each `.P' file that we will # need in order to bootstrap the dependency handling code. AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],[ AC_OUTPUT_COMMANDS([ test x"$AMDEP_TRUE" != x"" || for mf in $CONFIG_FILES; do case "$mf" in Makefile) dirpart=.;; */Makefile) dirpart=`echo "$mf" | sed -e 's|/[^/]*$||'`;; *) continue;; esac grep '^DEP_FILES *= *[^ #]' < "$mf" > /dev/null || continue # Extract the definition of DEP_FILES from the Makefile without # running `make'. DEPDIR=`sed -n -e '/^DEPDIR = / s///p' < "$mf"` test -z "$DEPDIR" && continue # When using ansi2knr, U may be empty or an underscore; expand it U=`sed -n -e '/^U = / s///p' < "$mf"` test -d "$dirpart/$DEPDIR" || mkdir "$dirpart/$DEPDIR" # We invoke sed twice because it is the simplest approach to # changing $(DEPDIR) to its actual value in the expansion. for file in `sed -n -e ' /^DEP_FILES = .*\\\\$/ { s/^DEP_FILES = // :loop s/\\\\$// p n /\\\\$/ b loop p } /^DEP_FILES = / s/^DEP_FILES = //p' < "$mf" | \ sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do # Make sure the directory exists. test -f "$dirpart/$file" && continue fdir=`echo "$file" | sed -e 's|/[^/]*$||'` $ac_aux_dir/mkinstalldirs "$dirpart/$fdir" > /dev/null 2>&1 # echo "creating $dirpart/$file" echo '# dummy' > "$dirpart/$file" done done ], [AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])]) # AM_MAKE_INCLUDE() # ----------------- # Check to see how make treats includes. AC_DEFUN([AM_MAKE_INCLUDE], [am_make=${MAKE-make} cat > confinc << 'END' doit: @echo done END # If we don't find an include directive, just comment out the code. AC_MSG_CHECKING([for style of include used by $am_make]) _am_include='#' _am_quote= _am_result=none # First try GNU make style include. echo "include confinc" > confmf # We grep out `Entering directory' and `Leaving directory' # messages which can occur if `w' ends up in MAKEFLAGS. # In particular we don't look at `^make:' because GNU make might # be invoked under some other name (usually "gmake"), in which # case it prints its new name instead of `make'. if test "`$am_make -s -f confmf 2> /dev/null | fgrep -v 'ing directory'`" = "done"; then _am_include=include _am_quote= _am_result=GNU fi # Now try BSD make style include. if test "$_am_include" = "#"; then echo '.include "confinc"' > confmf if test "`$am_make -s -f confmf 2> /dev/null`" = "done"; then _am_include=.include _am_quote='"' _am_result=BSD fi fi AC_SUBST(_am_include) AC_SUBST(_am_quote) AC_MSG_RESULT($_am_result) rm -f confinc confmf ]) # serial 3 # AM_CONDITIONAL(NAME, SHELL-CONDITION) # ------------------------------------- # Define a conditional. # # FIXME: Once using 2.50, use this: # m4_match([$1], [^TRUE\|FALSE$], [AC_FATAL([$0: invalid condition: $1])])dnl AC_DEFUN([AM_CONDITIONAL], [ifelse([$1], [TRUE], [errprint(__file__:__line__: [$0: invalid condition: $1 ])dnl m4exit(1)])dnl ifelse([$1], [FALSE], [errprint(__file__:__line__: [$0: invalid condition: $1 ])dnl m4exit(1)])dnl AC_SUBST([$1_TRUE]) AC_SUBST([$1_FALSE]) if $2; then $1_TRUE= $1_FALSE='#' else $1_TRUE='#' $1_FALSE= fi])