# Extra autoconf macros for the Glasgow fptools # # To be a good autoconf citizen, names of local macros have prefixed with FP_ to # ensure we don't clash with any pre-supplied autoconf ones. # FP_EVAL_STDERR(COMMAND) # ------------------------ # Eval COMMAND, save its stderr (without lines resulting from shell tracing) # into the file conftest.err and the exit status in the variable fp_status. AC_DEFUN([FP_EVAL_STDERR], [{ (eval $1) 2>conftest.er1 fp_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 (exit $fp_status); }[]dnl ])# FP_EVAL_STDERR # FP_CHECK_FLAG(FLAG, [ACTION-IF-SUPPORTED], [ACTION-IF-NOT-SUPPORTED]) # ----------------------------------------------------------------------- # Check to see whether the compiler for the current language supports a # particular option. # # Implementation note: When given an unkown option, GCC issues an warning on # stderr only, but returns an exit value of 0 nevertheless. Consequently we have # to check stderr *and* the exit value. # # Used by ghc. AC_DEFUN(FP_CHECK_FLAG, [AC_LANG_COMPILER_REQUIRE()dnl AC_LANG_CASE([C], [fp_compiler="$CC" m4_pushdef([fp_Flags], [CFLAGS])], [C++], [fp_compiler="$CXX" m4_pushdef([fp_Flags], [CXXFLAGS])], [Fortran 77], [fp_compiler="$F77" m4_pushdef([fp_Flags], [FFLAGS])]) m4_pushdef([fp_Cache], [fp_cv_[]fp_Flags[]AS_TR_SH([$1])])[]dnl AC_CACHE_CHECK([whether $fp_compiler accepts $1], [fp_Cache], [AC_LANG_CONFTEST([AC_LANG_PROGRAM()]) fp_save_flags="$fp_Flags" fp_Flags="$fp_Flags $1" fp_Cache=no if FP_EVAL_STDERR([$ac_compile conftest.$ac_ext]) >/dev/null; then test -s conftest.err || fp_Cache=yes fi fp_Flags="$fp_save_flags" rm -f conftest.err conftest.$ac_ext]) AS_IF([test $fp_Cache = yes], [$2], [$3])[]dnl m4_popdef([fp_Cache])[]dnl m4_popdef([fp_Flags])[]dnl ])# FP_CHECK_FLAG # FP_PROG_CONTEXT_DIFF # -------------------- # Figure out how to do context diffs. Sets the output variable ContextDiffCmd. # # Note: NeXTStep thinks diff'ing a file against itself is "trouble". # # Used by ghc, glafp-utils/ltx, and glafp-utils/runstdtest. AC_DEFUN([FP_PROG_CONTEXT_DIFF], [AC_CACHE_CHECK([for a working context diff], [fp_cv_context_diff], [echo foo > conftest1 echo foo > conftest2 fp_cv_context_diff=no for fp_var in '-C 1' '-c1' do if diff $fp_var conftest1 conftest2 > /dev/null 2>&1; then fp_cv_context_diff="diff $fp_var" break fi done]) if test x"$fp_cv_context_diff" = xno; then AC_MSG_ERROR([cannot figure out how to do context diffs]) fi AC_SUBST(ContextDiffCmd, [$fp_cv_context_diff]) ])# FP_PROG_CONTEXT_DIFF # FP_DECL_ALTZONE # ------------------- # Defines HAVE_DECL_ALTZONE to 1 if declared, 0 otherwise. # # Used by base package. AC_DEFUN([FP_DECL_ALTZONE], [AC_REQUIRE([AC_HEADER_TIME])dnl AC_CHECK_HEADERS([sys/time.h]) AC_CHECK_DECLS([altzone], [], [],[#if TIME_WITH_SYS_TIME # include # include #else # if HAVE_SYS_TIME_H # include # else # include # endif #endif]) ])# FP_DECL_ALTZONE # FP_COMPUTE_INT(EXPRESSION, VARIABLE, INCLUDES, IF-FAILS) # --------------------------------------------------------- # Assign VARIABLE the value of the compile-time EXPRESSION using INCLUDES for # compilation. Execute IF-FAILS when unable to determine the value. Works for # cross-compilation, too. # # Implementation note: We are lazy and use an internal autoconf macro, but it # is supported in autoconf versions 2.50 up to the actual 2.57, so there is # little risk. AC_DEFUN([FP_COMPUTE_INT], [_AC_COMPUTE_INT([$1], [$2], [$3], [$4])[]dnl ])# FP_COMPUTE_INT # FP_CHECK_ALIGNMENT(TYPE, [IGNORED], [INCLUDES = DEFAULT-INCLUDES]) # ------------------------------------------------------------------ # A variation of AC_CHECK_SIZEOF for computing the alignment restrictions of a # given type. Defines ALIGNMENT_TYPE. AC_DEFUN([FP_CHECK_ALIGNMENT], [AS_LITERAL_IF([$1], [], [AC_FATAL([$0: requires literal arguments])])[]dnl AC_CHECK_TYPE([$1], [], [], [$3])[]dnl m4_pushdef([fp_Cache], [AS_TR_SH([fp_cv_alignment_$1])])[]dnl AC_CACHE_CHECK([alignment of $1], [fp_Cache], [if test "$AS_TR_SH([ac_cv_type_$1])" = yes; then FP_COMPUTE_INT([(long) (&((struct { char c; $1 ty; } *)0)->ty)], [fp_Cache], [AC_INCLUDES_DEFAULT([$3])], [AC_MSG_ERROR([cannot compute alignment ($1) See `config.log' for more details.], [77])]) else fp_Cache=0 fi])[]dnl AC_DEFINE_UNQUOTED(AS_TR_CPP(alignment_$1), $fp_Cache, [The alignment of a `$1'.])[]dnl m4_popdef([fp_Cache])[]dnl ])# FP_CHECK_ALIGNMENT # FP_CHECK_CONST(EXPRESSION, [INCLUDES = DEFAULT-INCLUDES], [VALUE-IF-FAIL = -1]) # --------------------------------------------------------------------------------- # Defines CONST_EXPRESSION to the value of the compile-time EXPRESSION, using # INCLUDES. If the value cannot be determined, use VALUE-IF-FAIL. AC_DEFUN([FP_CHECK_CONST], [AS_VAR_PUSHDEF([fp_Cache], [fp_cv_const_$1])[]dnl AC_CACHE_CHECK([value of $1], fp_Cache, [FP_COMPUTE_INT([$1], fp_check_const_result, [AC_INCLUDES_DEFAULT([$2])], [fp_check_const_result=m4_default([$3], ['-1'])]) AS_VAR_SET(fp_Cache, [$fp_check_const_result])])[]dnl AC_DEFINE_UNQUOTED(AS_TR_CPP([CONST_$1]), AS_VAR_GET(fp_Cache), [The value of $1.])[]dnl AS_VAR_POPDEF([fp_Cache])[]dnl ])# FP_CHECK_CONST # FP_CHECK_CONSTS_TEMPLATE(EXPRESSION...) # ---------------------------------- # autoheader helper for FP_CHECK_CONSTS m4_define([FP_CHECK_CONSTS_TEMPLATE], [AC_FOREACH([fp_Const], [$1], [AH_TEMPLATE(AS_TR_CPP(CONST_[]fp_Const), [The value of ]fp_Const[.])])[]dnl ])# FP_CHECK_CONSTS_TEMPLATE # FP_CHECK_CONSTS(EXPRESSION..., [INCLUDES = DEFAULT-INCLUDES], [VALUE-IF-FAIL = -1]) # ------------------------------------------------------------------------------------- # List version of FP_CHECK_CONST AC_DEFUN(FP_CHECK_CONSTS, [FP_CHECK_CONSTS_TEMPLATE([$1])dnl for fp_const_name in $1 do FP_CHECK_CONST([$fp_const_name], [$2], [$3]) done ])# FP_CHECK_CONSTS dnl ** check for leading underscores in symbol names dnl dnl Test for determining whether symbol names have a leading dnl underscore. dnl dnl We assume that they _haven't_ if anything goes wrong. dnl dnl Some nlist implementations seem to try to be compatible by ignoring dnl a leading underscore sometimes (eg. FreeBSD). We therefore have dnl to work around this by checking for *no* leading underscore first. dnl Sigh. --SDM dnl dnl Similarly on OpenBSD, but this test doesn't help. -- dons dnl AC_DEFUN(FPTOOLS_UNDERSCORE, [AC_CHECK_LIB(elf, nlist, LIBS="-lelf $LIBS")dnl AC_CACHE_CHECK([leading underscore in symbol names], fptools_cv_lead_uscore, dnl dnl Hack!: nlist() under Digital UNIX insist on there being an _, dnl but symbol table listings shows none. What is going on here?!? dnl dnl Another hack: cygwin doesn't come with nlist.h , so we hardwire dnl the underscoredness of that "platform" changequote(<<, >>)dnl << case $HostPlatform in *openbsd*) # x86 openbsd is ELF from 3.4 >, meaning no leading uscore case $build in i386-*2\.[[0-9]] | i386-*3\.[[0-3]] ) fptools_cv_lead_uscore='yes' ;; *) fptools_cv_lead_uscore='no' ;; esac ;; alpha-dec-osf*) fptools_cv_lead_uscore='no';; *cygwin32) fptools_cv_lead_uscore='yes';; *mingw32) fptools_cv_lead_uscore='yes';; *) >> changequote([, ])dnl AC_TRY_RUN([#ifdef HAVE_NLIST_H #include changequote(<<, >>)dnl << struct nlist xYzzY1[] = {{"xYzzY1", 0},{0}}; struct nlist xYzzY2[] = {{"_xYzzY2", 0},{0}}; #endif main(argc, argv) int argc; char **argv; { #ifdef HAVE_NLIST_H if(nlist(argv[0], xYzzY1) == 0 && xYzzY1[0].n_value != 0) exit(1); if(nlist(argv[0], xYzzY2) == 0 && xYzzY2[0].n_value != 0) exit(0);>> changequote([, ])dnl #endif exit(1); }], fptools_cv_lead_uscore=yes, fptools_cv_lead_uscore=no, fptools_cv_lead_uscore=NO) ;; esac); LeadingUnderscore=`echo $fptools_cv_lead_uscore | sed 'y/yesno/YESNO/'` AC_SUBST(LeadingUnderscore) case $LeadingUnderscore in YES) AC_DEFINE([LEADING_UNDERSCORE], [1], [Define to 1 if C symbols have a leading underscore added by the compiler.]);; esac ]) # FP_COMPARE_VERSIONS(VERSION1, TEST, VERSION2, [ACTION-IF-TRUE], [ACTION-IF-FALSE]) # ---------------------------------------------------------------------------------- # Compare dotted version numbers VERSION1 and VERSION2 lexicographically according # to TEST (one of -eq, -ne, -lt, -le, -gt, or -ge). AC_DEFUN([FP_COMPARE_VERSIONS], [fp_version1=$1; fp_version2=$3 fp_save_IFS=$IFS; IFS='.' while test x"$fp_version1" != x || test x"$fp_version2" != x do set dummy $fp_version1; shift fp_num1="" test $[@%:@] = 0 || { fp_num1="[$]1"; shift; } test x"$fp_num1" = x && fp_num1="0" fp_version1="[$]*" set dummy $fp_version2; shift fp_num2="" test $[@%:@] = 0 || { fp_num2="[$]1"; shift; } test x"$fp_num2" = x && fp_num2="0" fp_version2="[$]*" test "$fp_num1" = "$fp_num2" || break; done IFS=$fp_save_IFS AS_IF([test "$fp_num1" $2 "$fp_num2"], [$4], [$5])[]dnl ])# FP_COMPARE_VERSIONS dnl dnl Check for GreenCard and version. dnl AC_DEFUN(FPTOOLS_GREENCARD, [ AC_PATH_PROG(GreenCardCmd,greencard) AC_CACHE_CHECK([for version of greencard], fptools_cv_greencard_version, changequote(, )dnl [if test x"$GreenCardCmd" != x; then fptools_cv_greencard_version="`$GreenCardCmd --version | grep 'version' | sed -e 's/greencard. version \([^ ]*\).*/\1/g'`" else fptools_cv_greencard_version="" fi changequote([, ])dnl ]) FP_COMPARE_VERSIONS([$fptools_cv_greencard_version],[-lt],[$1], [AC_MSG_ERROR([greencard version $1 or later is required (found '$fptools_cv_greencard_version')])])[]dnl GreenCardVersion=$fptools_cv_greencard_version AC_SUBST(GreenCardVersion) ]) dnl dnl Check for Happy and version. If we're building GHC, then we need dnl at least Happy version 1.13. If there's no installed Happy, we look dnl for a happy source tree and point the build system at that instead. dnl AC_DEFUN(FPTOOLS_HAPPY, [ if test -d $srcdir/happy; then SrcTreeHappyCmd=$hardtop/happy/src/happy-inplace fi if test x"$UseSrcTreeHappy" = xYES; then HappyCmd=$SrcTreeHappyCmd else AC_PATH_PROG(HappyCmd,happy,$SrcTreeHappyCmd) fi AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version, changequote(, )dnl [if test x"$HappyCmd" = x"$SrcTreeHappyCmd"; then fptools_cv_happy_version=`grep '^ProjectVersion[ ]*=' $srcdir/happy/mk/version.mk | sed 's/.*\([0-9][0-9]*\.[0-9][0-9]*\).*/\1/g'`; elif test x"$HappyCmd" != x; then fptools_cv_happy_version="`$HappyCmd -v | grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'`" ; else fptools_cv_happy_version=""; fi; changequote([, ])dnl ]) if test -d $srcdir/ghc -a ! -f $srcdir/ghc/compiler/parser/Parser.hs; then FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.13], [AC_MSG_ERROR([Happy version 1.13 or later is required to compile GHC.])])[]dnl fi HappyVersion=$fptools_cv_happy_version; AC_SUBST(HappyVersion) ]) dnl dnl Check for Haddock and version. If there's no installed Haddock, we look dnl for a haddock source tree and point the build system at that instead. dnl AC_DEFUN(FPTOOLS_HADDOCK, [ if test -d $srcdir/haddock; then SrcTreeHaddockCmd=$hardtop/haddock/src/haddock-inplace fi if test x"$UseSrcTreeHaddock" = xYES; then HaddockCmd=$SrcTreeHaddockCmd else AC_PATH_PROG(HaddockCmd,haddock,$SrcTreeHaddockCmd) fi dnl Darn, I forgot to make Haddock print out its version number when dnl invoked with -v. We could try generating some HTML and grepping dnl through that to find the version number, but I think we'll make dnl do without it for now. ]) dnl dnl Check for Alex and version. If we're building GHC, then we need dnl at least Alex version 2.0. If there's no installed Alex, we look dnl for a alex source tree and point the build system at that instead. dnl AC_DEFUN(FPTOOLS_ALEX, [ if test -d $srcdir/alex; then SrcTreeAlexCmd=$hardtop/alex/src/alex-inplace fi if test x"$UseSrcTreeAlex" = xYES; then AlexCmd=$SrcTreeAlexCmd else AC_PATH_PROG(AlexCmd,alex,$SrcTreeAlexCmd) fi AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version, changequote(, )dnl [if test x"$AlexCmd" = x"$SrcTreeAlexCmd"; then fptools_cv_alex_version=`grep '^ProjectVersion[ ]*=' $srcdir/alex/mk/version.mk | sed 's/.*\([0-9][0-9]*\.[0-9][0-9]*\).*/\1/g'`; elif test x"$AlexCmd" != x; then fptools_cv_alex_version="`$AlexCmd -v | grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'`" ; else fptools_cv_alex_version=""; fi; changequote([, ])dnl ]) dnl if test -d $srcdir/ghc -a ! -f $srcdir/ghc/compiler/parser/Lexer.hs; then dnl FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.0], dnl [AC_MSG_ERROR([Alex version 2.0 or later is required to compile GHC.])])[]dnl dnl fi AlexVersion=$fptools_cv_alex_version; AC_SUBST(AlexVersion) ]) dnl dnl Check whether ld supports -x dnl AC_DEFUN(FPTOOLS_LD_X, [AC_CACHE_CHECK([whether ld understands -x], fptools_cv_ld_x, [ echo 'foo() {}' > conftest.c ${CC-cc} -c conftest.c if ${LdCmd} -r -x -o foo.o conftest.o; then fptools_cv_ld_x=yes else fptools_cv_ld_x=no fi rm -rf conftest.c conftest.o foo.o ]) if test "$fptools_cv_ld_x" = yes; then LdXFlag=-x else LdXFlag= fi AC_SUBST(LdXFlag) ]) dnl *** Checking for ar and its arguments + whether we need ranlib. dnl dnl ArCmd, ArSupportsInput and RANLIB are AC_SUBST'ed dnl On Digital UNIX, we test for the -Z (compress) and dnl -input (take list of files from external file) flags. dnl AC_DEFUN(FPTOOLS_PROG_AR_AND_RANLIB, [AC_PATH_PROG(ArCmdRaw,ar) if test -z "$ArCmdRaw"; then echo "You don't seem to have ar in your PATH...I have no idea how to make a library" exit 1; fi dnl GNU ar needs special treatment: it appears to have problems with dnl object files with the same name if you use the 's' modifier, but dnl simple 'ar q' works fine, and doesn't need a separate ranlib. if $ArCmdRaw --version | grep 'GNU' >/dev/null 2>/dev/null; then ArCmdArgs='q' NeedRanLib='' elif $ArCmdRaw clqsZ conftest.a >/dev/null 2>/dev/null; then ArCmdArgs="clqsZ" NeedRanLib='' elif $ArCmdRaw clqs conftest.a >/dev/null 2>/dev/null; then ArCmdArgs="clqs" NeedRanLib='' elif $ArCmdRaw cqs conftest.a >/dev/null 2>/dev/null; then ArCmdArgs="cqs" NeedRanLib='' elif $ArCmdRaw clq conftest.a >/dev/null 2>/dev/null; then ArCmdArgs="clq" NeedRanLib='YES' elif $ArCmdRaw cq conftest.a >/dev/null 2>/dev/null; then ArCmdArgs="cq" NeedRanLib='YES' elif $ArCmdRaw cq conftest.a 2>&1 | grep 'no archive members specified' >/dev/null 2>/dev/null; then ArCmdArgs="cq" NeedRanLib='YES' else echo "I can't figure out how to use your $ArCmd" exit 1 fi rm -rf conftest* case $HostPlatform in *mingw32) ArCmd="`cygpath -w ${ArCmdRaw} | sed -e 's@\\\\@/@g' ` ${ArCmdArgs}" ;; *) ArCmd="${ArCmdRaw} ${ArCmdArgs}" ;; esac test -n "$ArCmd" && test -n "$verbose" && echo " setting ArCmd to $ArCmd" AC_SUBST(ArCmd) if $ArCmd conftest.a -input /dev/null >/dev/null 2>/dev/null; then ArSupportsInput='-input' else ArSupportsInput='' fi rm -rf conftest* test -n "$ArSupportsInput" && test -n "$verbose" && echo " setting ArSupportsInput to $ArSupportsInput" AC_SUBST(ArSupportsInput) if test -z "$NeedRanLib"; then RANLIB=':' test -n "$verbose" && echo " setting RANLIB to $RANLIB" AC_SUBST(RANLIB) else AC_PROG_RANLIB fi ]) dnl dnl AC_SHEBANG_PERL - can we she-bang perl? dnl AC_DEFUN(FPTOOLS_SHEBANG_PERL, [AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl, [echo "#!$PerlCmd"' exit $1; ' > conftest chmod u+x conftest (SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null) if test $? -ne 69; then fptools_cv_shebang_perl=yes else fptools_cv_shebang_perl=no fi rm -f conftest ])]) dnl dnl Extra testing of the result AC_PROG_CC, testing the gcc version no. dnl *Must* be called after AC_PROG_CC dnl AC_DEFUN(FPTOOLS_HAVE_GCC, [AC_CACHE_CHECK([whether you have an ok gcc], fptools_cv_have_gcc, [if test -z "$GCC"; then echo '' echo "You would be better off with gcc" echo "Perhaps it is already installed, but not in your PATH?" fptools_cv_have_gcc='no' else changequote(, )dnl gcc_version_str="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [^0-9]*\([0-9][0-9]*\)\.\([0-9][0-9]*\).*/\1\.\2/g' `" changequote([, ])dnl fptools_cv_have_gcc='yes' FP_COMPARE_VERSIONS([$gcc_version_str], [-lt], [2.0], [fptools_cv_have_gcc='no' echo "" echo "your gcc version appears to be ..." $CC --version echo "gcc prior to 2.0 and have never worked with ghc." echo "we recommend 2.95.3, although versions back to 2.7.2 should be ok." AC_MSG_ERROR([gcc 1.X has never been supported])]) fi ]) HaveGcc=`echo $fptools_cv_have_gcc | sed 'y/yesno/YESNO/'` AC_SUBST(HaveGcc) ]) dnl dnl Some OSs (Mandrake Linux, in particular) configure GCC with dnl -momit-leaf-frame-pointer on by default. If this is the case, we dnl need to turn it off for mangling to work. The test is currently a bit dnl crude, using only the version number of gcc. dnl AC_DEFUN([FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR], [AC_CACHE_CHECK([whether gcc needs -mno-omit-leaf-frame-pointer], [fptools_cv_gcc_needs_no_omit_lfptr], [FP_COMPARE_VERSIONS([$gcc_version_str], [-ge], [3.2], [fptools_cv_gcc_needs_no_omit_lfptr=yes], [fptools_cv_gcc_needs_no_omit_lfptr=no])]) if test "$fptools_cv_gcc_needs_no_omit_lfptr" = "yes"; then AC_DEFINE([HAVE_GCC_MNO_OMIT_LFPTR], [1], [Define to 1 if gcc supports -mno-omit-leaf-frame-pointer.]) fi])# FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR dnl Small feature test for perl version. Assumes PerlCmd dnl contains path to perl binary dnl AC_DEFUN(FPTOOLS_CHECK_PERL_VERSION, [$PerlCmd -v >conftest.out 2>&1 if grep "version 5" conftest.out >/dev/null 2>&1; then : else if grep "v5.6" conftest.out >/dev/null 2>&1; then : else if grep "v5.8" conftest.out >/dev/null 2>&1; then : else if grep "version 6" conftest.out >/dev/null 2>&1; then : else echo "Your version of perl probably won't work." fi fi fi fi rm -fr conftest* ]) dnl dnl Getting at the right version of 'find' dnl (i.e., not the MS util on a Win32 box). dnl AC_DEFUN(FPTOOLS_FIND_FIND, [ AC_PATH_PROG(Find2Cmd, find) $Find2Cmd --version > conftest.out 2>&1 if grep "FIND: Parameter format" conftest.out >/dev/null 2>&1 ; then # Encountered MS' find utility, which is not what we're after. # # HACK - AC_CHECK_PROG is useful here in that does let you reject # an (absolute) entry in the path (Find2Cmd). It is not so useful # in that it doesn't let you (AFAIU) set VARIABLE equal to the # absolute path eventually found. So, hack around this by inspecting # what variables hold the abs. path & use them directly. AC_CHECK_PROG(FindCmd,find,`echo $ac_dir/$ac_word`,find,,$Find2Cmd) else FindCmd=$Find2Cmd AC_SUBST(FindCmd) fi ]) dnl dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the dnl values of the second argument to the result of running dnl the commands given by the third. It does not cache its dnl result, so it is suitable for checks which should be dnl run every time. dnl AC_DEFUN(FPTOOLS_NOCACHE_CHECK, [AC_MSG_CHECKING([$1]) $3 AC_MSG_RESULT([$][$2]) ]) dnl dnl FPTOOLS_GHC_VERSION(version) dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel]) dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel) dnl dnl Test for version of installed ghc. Uses $GHC. dnl [original version pinched from c2hs] dnl AC_DEFUN(FPTOOLS_GHC_VERSION, [FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc], ["${WithGhc-ghc}" --version > conftestghc 2>&1 cat conftestghc >&AC_FD_CC #Useless Use Of cat award... fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'` rm -fr conftest* if test "[$]fptools_version_of_ghc" = "" then fptools_version_of_ghc='unknown' fi fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'` fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'` fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'` # if test "[$]fptools_version_of_ghc[_pl]" = "" then fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]" fptools_version_of_ghc[_pl]="0" else fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]" fi # ifelse($#, [1], [dnl [$1]="[$]fptools_version_of_ghc[_all]" ], $#, [2], [dnl [$1]="[$]fptools_version_of_ghc[_major]" [$2]="[$]fptools_version_of_ghc[_minor]" ], $#, [3], [dnl [$1]="[$]fptools_version_of_ghc[_major]" [$2]="[$]fptools_version_of_ghc[_minor]" [$3]="[$]fptools_version_of_ghc[_pl]" ], $#, [4], [dnl [$1]="[$]fptools_version_of_ghc[_all]" [$2]="[$]fptools_version_of_ghc[_major]" [$3]="[$]fptools_version_of_ghc[_minor]" [$4]="[$]fptools_version_of_ghc[_pl]" ]) ]) ])dnl dnl ** Map an arithmetic C type to a Haskell type. dnl Based on autconf's AC_CHECK_SIZEOF. dnl FPTOOLS_CHECK_HTYPE(TYPE [, DEFAULT_VALUE, [, VALUE-FOR-CROSS-COMPILATION]) AC_DEFUN(FPTOOLS_CHECK_HTYPE, [changequote(<<, >>)dnl dnl The name to #define. define(<>, translit(htype_$1, [a-z *], [A-Z_P]))dnl dnl The cache variable name. define(<>, translit(fptools_cv_htype_$1, [ *], [_p]))dnl changequote([, ])dnl AC_MSG_CHECKING(Haskell type for $1) AC_CACHE_VAL(AC_CV_NAME, [AC_TRY_RUN([#include #include #ifdef HAVE_SYS_TYPES_H # include #endif #ifdef HAVE_UNISTD_H # include #endif #ifdef HAVE_SYS_STAT_H # include #endif #ifdef HAVE_FCNTL_H # include #endif #ifdef HAVE_SIGNAL_H # include #endif #ifdef HAVE_TIME_H # include #endif #ifdef HAVE_TERMIOS_H # include #endif #ifdef HAVE_STRING_H # include #endif #ifdef HAVE_CTYPE_H # include #endif #ifdef HAVE_GL_GL_H # include #endif #ifdef HAVE_OPENGL_GL_H # include #endif #ifdef HAVE_SYS_RESOURCE_H # include #endif typedef $1 testing; main() { FILE *f=fopen("conftestval", "w"); if (!f) exit(1); if (((testing)((int)((testing)1.4))) == ((testing)1.4)) { fprintf(f, "%s%d\n", ((testing)(-1) < (testing)0) ? "Int" : "Word", sizeof(testing)*8); } else { fprintf(f,"%s\n", (sizeof(testing) > sizeof(double)) ? "LDouble" : (sizeof(testing) == sizeof(double)) ? "Double" : "Float"); } fclose(f); exit(0); }], AC_CV_NAME=`cat conftestval`, ifelse([$2], , AC_CV_NAME=NotReallyAType, AC_CV_NAME=$2), ifelse([$3], , AC_CV_NAME=NotReallyATypeCross, AC_CV_NAME=$3))]) dnl AC_MSG_RESULT($AC_CV_NAME) AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME, [Define to Haskell type for $1]) undefine([AC_TYPE_NAME])dnl undefine([AC_CV_NAME])dnl ]) dnl Based on AC_TRY_LINK - run iftrue if links cleanly with no warning dnl FPTOOLS_TRY_LINK_NOWARN(flags,main?,iftrue,iffalse) AC_DEFUN(FPTOOLS_TRY_LINK_NOWARN, [ ac_save_LIBS="$LIBS" LIBS=[$1]; cat > conftest.$ac_ext < conftest.sgml << EOF
Test Test
Test
Test Test Test.
EOF fptools_cv_sgml_catalog=no if test -z "$SGML_CATALOG_FILES" ; then for fptools_catalog in $4; do ac_try="$2 -t rtf -d $3#print -c $fptools_catalog conftest.sgml" if AC_TRY_EVAL(ac_try); then fptools_cv_sgml_catalog=[$]fptools_catalog break fi done else # If the env var SGML_CATALOG_FILES is defined, assume things are cool. fptools_cv_sgml_catalog="yes" fi ]) rm -rf conftest* if test $fptools_cv_sgml_catalog != "no"; then $1=$fptools_cv_sgml_catalog fi ]) dnl ###################################################################### dnl FPTOOLS_SEARCH_LIBS(INCLUDES, FUNCTION, SEARCH-LIBS [, ACTION-IF-FOUND dnl [, ACTION-IF-NOT-FOUND [, OTHER-LIBRARIES]]]) dnl Search for a library defining FUNC, if it's not already available. dnl This is almost the same as AC_SEARCH_LIBS, but the INCLUDES can be dnl specified. dnl ###################################################################### AC_DEFUN(FPTOOLS_SEARCH_LIBS, [AC_PREREQ([2.13]) AC_CACHE_CHECK([for library containing $2], [ac_cv_search_$2], [ac_func_search_save_LIBS="$LIBS" ac_cv_search_$2="no" AC_TRY_LINK([$1], [$2()], [ac_cv_search_$2="none required"]) test "$ac_cv_search_$2" = "no" && for i in $3; do LIBS="-l$i $6 $ac_func_search_save_LIBS" AC_TRY_LINK([$1], [$2()], [ac_cv_search_$2="-l$i" break]) done LIBS="$ac_func_search_save_LIBS"]) if test "$ac_cv_search_$2" != "no"; then test "$ac_cv_search_$2" = "none required" || LIBS="$ac_cv_search_$2 $LIBS" $4 else : $5 fi]) dnl ####################### -*- Mode: M4 -*- ########################### dnl Copyright (C) 98, 1999 Matthew D. Langston dnl dnl This file is free software; you can redistribute it and/or modify it dnl under the terms of the GNU General Public License as published by dnl the Free Software Foundation; either version 2 of the License, or dnl (at your option) any later version. dnl dnl This file is distributed in the hope that it will be useful, but dnl WITHOUT ANY WARRANTY; without even the implied warranty of dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU dnl General Public License for more details. dnl dnl You should have received a copy of the GNU General Public License dnl along with this file; if not, write to: dnl dnl Free Software Foundation, Inc. dnl Suite 330 dnl 59 Temple Place dnl Boston, MA 02111-1307, USA. dnl #################################################################### dnl @synopsis FPTOOLS_CHECK_LIBM dnl dnl Search for math library (typically -lm). dnl dnl The variable LIBM (which is not an output variable by default) is dnl set to a value which is suitable for use in a Makefile (for example, dnl in make's LOADLIBES macro) provided you AC_SUBST it first. dnl dnl @author Matthew D. Langston # FPTOOLS_CHECK_LIBM - check for math library AC_DEFUN(FPTOOLS_CHECK_LIBM, [AC_REQUIRE([AC_CANONICAL_HOST])dnl LIBM= case "$host" in *-*-beos*) # These system don't have libm ;; *-ncr-sysv4.3*) AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw") AC_CHECK_LIB(m, main, LIBM="$LIBM -lm") ;; *) AC_CHECK_LIB(m, main, LIBM="-lm") ;; esac ]) dnl ###################################################################### dnl Note: Caching has been completely rewritten, but is still no perfect yet. dnl ###################################################################### dnl ########################### -*- Mode: M4 -*- ####################### dnl Copyright (C) 98, 1999 Matthew D. Langston dnl dnl This file is free software; you can redistribute it and/or modify it dnl under the terms of the GNU General Public License as published by dnl the Free Software Foundation; either version 2 of the License, or dnl (at your option) any later version. dnl dnl This file is distributed in the hope that it will be useful, but dnl WITHOUT ANY WARRANTY; without even the implied warranty of dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU dnl General Public License for more details. dnl dnl You should have received a copy of the GNU General Public License dnl along with this file; if not, write to: dnl dnl Free Software Foundation, Inc. dnl Suite 330 dnl 59 Temple Place dnl Boston, MA 02111-1307, USA. dnl #################################################################### dnl @synopsis FPTOOLS_HAVE_OPENGL dnl dnl Search for OpenGL. We search first for Mesa (a GPL'ed version of dnl OpenGL) before a vendor's version of OpenGL if we were specifically dnl asked to with `--with-Mesa=yes' or `--with-Mesa'. dnl dnl The four "standard" OpenGL libraries are searched for: "-lGL", dnl "-lGLU", "-lGLX" (or "-lMesaGL", "-lMesaGLU" as the case may be) and dnl "-lglut". dnl dnl All of the libraries that are found (since "-lglut" or "-lGLX" might dnl be missing) are added to the shell output variable "GL_LIBS", along dnl with any other libraries that are necessary to successfully link an dnl OpenGL application (e.g. the X11 libraries). Care has been taken to dnl make sure that all of the libraries in "GL_LIBS" are listed in the dnl proper order. dnl dnl Additionally, the shell output variable "GL_CFLAGS" is set to any dnl flags (e.g. "-I" flags) that are necessary to successfully compile dnl an OpenGL application. dnl dnl The following shell variable (which are not output variables) are dnl also set to either "yes" or "no" (depending on which libraries were dnl found) to help you determine exactly what was found. dnl dnl have_GL dnl have_GLU dnl have_GLX dnl have_glut dnl dnl A complete little toy "Automake `make distcheck'" package of how to dnl use this macro is available at: dnl dnl ftp://ftp.slac.stanford.edu/users/langston/autoconf/ac_opengl-0.01.tar.gz dnl dnl Please note that as the ac_opengl macro and the toy example evolves, dnl the version number increases, so you may have to adjust the above dnl URL accordingly. dnl dnl @author Matthew D. Langston AC_DEFUN(FPTOOLS_HAVE_OPENGL, [ AC_REQUIRE([AC_PROG_CC]) AC_REQUIRE([AC_PATH_X]) AC_REQUIRE([AC_PATH_XTRA]) AC_REQUIRE([FPTOOLS_CHECK_LIBM]) dnl Check for Mesa first if we were asked to. AC_ARG_ENABLE(Mesa, [ --enable-mesa Prefer Mesa over a vendor's native OpenGL library (default=no) ], use_Mesa=$enableval, use_Mesa=no) if test x"$use_Mesa" = xyes; then GL_search_list="MesaGL GL opengl32" GLU_search_list="MesaGLU GLU glu32" GLX_search_list="MesaGLX GLX" else GL_search_list="GL opengl32 MesaGL" GLU_search_list="GLU glu32 MesaGLU" GLX_search_list="GLX MesaGLX" fi AC_LANG_SAVE AC_LANG_C dnl If we are running under X11 then add in the appropriate libraries. if test x"$no_x" != xyes; then dnl Add everything we need to compile and link X programs to GL_CFLAGS dnl and GL_X_LIBS/GLUT_X_LIBS. GL_CFLAGS="$CPPFLAGS $X_CFLAGS" GL_X_LIBS="$X_LIBS $X_PRE_LIBS -lXext -lX11 $X_EXTRA_LIBS $LIBM" GLUT_X_LIBS="$X_LIBS $X_PRE_LIBS -lXmu -lXt -lXi -lXext -lX11 $X_EXTRA_LIBS $LIBM" fi GL_save_CPPFLAGS="$CPPFLAGS" CPPFLAGS="$GL_CFLAGS" GL_save_LIBS="$LIBS" LIBS="$GL_X_LIBS" FPTOOLS_SEARCH_LIBS([#include ], glEnd, $GL_search_list, have_GL=yes, have_GL=no) FPTOOLS_SEARCH_LIBS([#include ], gluNewQuadric, $GLU_search_list, have_GLU=yes, have_GLU=no) FPTOOLS_SEARCH_LIBS([#include ], glXWaitX, $GLX_search_list, have_GLX=yes, have_GLX=no) if test -n "$LIBS"; then GL_LIBS="$LDFLAGS $LIBS" else GL_LIBS="$LDFLAGS" GL_CFLAGS= fi LIBS="$GLUT_X_LIBS" FPTOOLS_SEARCH_LIBS([#include ], glutMainLoop, glut32 glut, have_glut=yes, have_glut=no) if test -n "$LIBS"; then GLUT_LIBS="$LDFLAGS $LIBS" fi AC_CACHE_CHECK([OpenGL flags], mdl_cv_gl_cflags, [mdl_cv_gl_cflags="$GL_CFLAGS"]) GL_CFLAGS="$mdl_cv_gl_cflags" AC_SUBST(GL_CFLAGS) AC_CACHE_CHECK([OpenGL libs], mdl_cv_gl_libs, [mdl_cv_gl_libs="$GL_LIBS"]) GL_LIBS="$mdl_cv_gl_libs" AC_SUBST(GL_LIBS) AC_CACHE_CHECK([GLUT libs], mdl_cv_glut_libs, [mdl_cv_glut_libs="$GLUT_LIBS"]) GLUT_LIBS="$mdl_cv_glut_libs" AC_SUBST(GLUT_LIBS) dnl Reset GL_X_LIBS/GLUT_X_LIBS regardless, since they were just temporary variables dnl and we don't want to be global namespace polluters. GL_X_LIBS= GLUT_X_LIBS= LIBS="$GL_save_LIBS" CPPFLAGS="$GL_save_CPPFLAGS" AC_LANG_RESTORE ]) # LocalWords: fi