X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=aclocal.m4;h=d660017da6656bdbd8f1449cbb89864bc3665ca9;hp=ed95f780d4b54a6d79c31f2da1451c63d771fcc6;hb=bc3291f1614a559dba09d5360e48211ed334321a;hpb=f5d11ad4c5cd0c1e4f5fc95c43ba68da4e399bbe diff --git a/aclocal.m4 b/aclocal.m4 index ed95f78..d660017 100644 --- a/aclocal.m4 +++ b/aclocal.m4 @@ -5,7 +5,7 @@ # 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], @@ -18,7 +18,7 @@ AC_DEFUN([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. # @@ -76,7 +76,7 @@ AC_SUBST(ContextDiffCmd, [$fp_cv_context_diff]) # FP_DECL_ALTZONE -# ------------------- +# --------------- # Defines HAVE_DECL_ALTZONE to 1 if declared, 0 otherwise. # # Used by base package. @@ -97,7 +97,7 @@ AC_CHECK_DECLS([altzone], [], [],[#if TIME_WITH_SYS_TIME # 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. @@ -135,7 +135,7 @@ m4_popdef([fp_Cache])[]dnl # 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], @@ -150,7 +150,7 @@ AS_VAR_POPDEF([fp_Cache])[]dnl # FP_CHECK_CONSTS_TEMPLATE(EXPRESSION...) -# ---------------------------------- +# --------------------------------------- # autoheader helper for FP_CHECK_CONSTS m4_define([FP_CHECK_CONSTS_TEMPLATE], [AC_FOREACH([fp_Const], [$1], @@ -160,7 +160,7 @@ m4_define([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 @@ -171,52 +171,41 @@ 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 -<< +# FP_LEADING_UNDERSCORE +# --------------------- +# Test for determining whether symbol names have a leading underscore. We assume +# that they _haven't_ if anything goes wrong. Sets the output variable +# LeadingUnderscore to YES or NO and defines LEADING_UNDERSCORE correspondingly. +# +# Some nlist implementations seem to try to be compatible by ignoring a leading +# underscore sometimes (eg. FreeBSD). We therefore have to work around this by +# checking for *no* leading underscore first. Sigh. --SDM +# +# Similarly on OpenBSD, but this test doesn't help. -- dons +AC_DEFUN([FP_LEADING_UNDERSCORE], +[AC_CHECK_LIB([elf], [nlist], [LIBS="-lelf $LIBS"]) +AC_CACHE_CHECK([leading underscore in symbol names], [fptools_cv_leading_underscore], [ +# Hack!: nlist() under Digital UNIX insist on there being an _, +# but symbol table listings shows none. What is going on here?!? +# +# Another hack: cygwin doesn't come with nlist.h , so we hardwire +# the underscoredness of that "platform" 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 + case $build in + i386-*2\.@<:@0-9@:>@ | i386-*3\.@<:@0-3@:>@ ) fptools_cv_leading_underscore=yes ;; + *) fptools_cv_leading_underscore=no ;; + esac ;; +alpha-dec-osf*) fptools_cv_leading_underscore=no;; +*cygwin32) fptools_cv_leading_underscore=yes;; +*mingw32) fptools_cv_leading_underscore=yes;; +*) AC_RUN_IFELSE([AC_LANG_SOURCE([[#ifdef HAVE_NLIST_H #include -changequote(<<, >>)dnl -<< struct nlist xYzzY1[] = {{"xYzzY1", 0},{0}}; struct nlist xYzzY2[] = {{"_xYzzY2", 0},{0}}; #endif -main(argc, argv) +int main(argc, argv) int argc; char **argv; { @@ -224,19 +213,16 @@ char **argv; 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 + exit(0); #endif exit(1); -}], fptools_cv_lead_uscore=yes, fptools_cv_lead_uscore=no, fptools_cv_lead_uscore=NO) +}]])],[fptools_cv_leading_underscore=yes],[fptools_cv_leading_underscore=no],[fptools_cv_leading_underscore=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 -]) +esac]); +AC_SUBST([LeadingUnderscore], [`echo $fptools_cv_leading_underscore | sed 'y/yesno/YESNO/'`]) +if test x"$fptools_cv_leading_underscore" = xyes; then + AC_DEFINE([LEADING_UNDERSCORE], [1], [Define to 1 if C symbols have a leading underscore added by the compiler.]) +fi])# FP_LEADING_UNDERSCORE # FP_COMPARE_VERSIONS(VERSION1, TEST, VERSION2, [ACTION-IF-TRUE], [ACTION-IF-FALSE]) @@ -292,7 +278,7 @@ 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 at least Happy version 1.14. 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, @@ -307,7 +293,7 @@ else fi AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version, changequote(, )dnl -[if test x"$HappyCmd" = x"$SrcTreeHappyCmd"; then +[if test x"$HappyCmd" = x"$SrcTreeHappyCmd" -a -e $srcdir/happy/mk/version.mk; 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 | @@ -318,8 +304,8 @@ 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 + FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.14], + [AC_MSG_ERROR([Happy version 1.14 or later is required to compile GHC.])])[]dnl fi HappyVersion=$fptools_cv_happy_version; AC_SUBST(HappyVersion) @@ -405,72 +391,123 @@ 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 "$ArCmdRaw"; then - echo "You don't seem to have ar in your PATH...I have no idea how to make a library" - exit 1; +# FP_PROG_AR +# ---------- +# Sets fp_prog_ar_raw to the full path of ar and fp_prog_ar to a non-Cygwin +# version of it. Exits if no ar can be found +AC_DEFUN([FP_PROG_AR], +[AC_PATH_PROG([fp_prog_ar_raw], [ar]) +if test -z "$fp_prog_ar_raw"; then + AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library]) 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 $ArCmd" - exit 1 -fi -rm -rf conftest* +fp_prog_ar=$fp_prog_ar_raw case $HostPlatform in - *mingw32) - ArCmd="`cygpath -w ${ArCmdRaw} | sed -e 's@\\\\@/@g' ` ${ArCmdArgs}" - ;; - *) ArCmd="${ArCmdRaw} ${ArCmdArgs}" - ;; + *mingw32) if test x${OSTYPE} != xmsys; then + fp_prog_ar="`cygpath -w ${fp_prog_ar_raw} | sed -e 's@\\\\@/@g'`" + AC_MSG_NOTICE([normalized ar command to $fp_prog_ar]) + fi + ;; esac -test -n "$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' +])# FP_PROG_AR + + +# FP_PROG_AR_IS_GNU +# ----------------- +# Sets fp_prog_ar_is_gnu to yes or no, depending on whether it is GNU ar or not. +AC_DEFUN([FP_PROG_AR_IS_GNU], +[AC_REQUIRE([FP_PROG_AR]) +AC_CACHE_CHECK([whether $fp_prog_ar_raw is GNU ar], [fp_cv_prog_ar_is_gnu], +[if $fp_prog_ar_raw --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then + fp_cv_prog_ar_is_gnu=yes else - ArSupportsInput='' + fp_cv_prog_ar_is_gnu=no +fi]) +fp_prog_ar_is_gnu=$fp_cv_prog_ar_is_gnu +])# FP_PROG_AR_IS_GNU + + +# FP_PROG_AR_ARGS +# --------------- +# Sets fp_prog_ar_args to the arguments for ar and the output variable ArCmd +# to a non-Cygwin invocation of ar including these arguments. +AC_DEFUN([FP_PROG_AR_ARGS], +[AC_REQUIRE([FP_PROG_AR_IS_GNU]) +AC_CACHE_CHECK([for ar arguments], [fp_cv_prog_ar_args], +[ +# GNU ar needs special treatment: it appears to have problems with +# object files with the same name if you use the 's' modifier, but +# simple 'ar q' works fine, and doesn't need a separate ranlib. +if test $fp_prog_ar_is_gnu = yes; then + fp_cv_prog_ar_args="q" +else + touch conftest.dummy + for fp_var in clqsZ clqs cqs clq cq ; do + rm -f conftest.a + if $fp_prog_ar_raw $fp_var conftest.a conftest.dummy > /dev/null 2> /dev/null; then + fp_cv_prog_ar_args=$fp_var + break + fi + done + rm -f conftest* + if test -z "$fp_cv_prog_ar_args"; then + AC_MSG_ERROR([cannot figure out how to use your $fp_prog_ar_raw]) + fi +fi]) +fp_prog_ar_args=$fp_cv_prog_ar_args +AC_SUBST([ArCmd], ["$fp_prog_ar $fp_prog_ar_args"]) + +])# FP_PROG_AR_ARGS + + +# FP_PROG_AR_NEEDS_RANLIB +# ----------------------- +# Sets the output variable RANLIB to "ranlib" if it is needed and found, +# to ":" otherwise. +AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB], +[AC_REQUIRE([FP_PROG_AR_IS_GNU]) +AC_REQUIRE([FP_PROG_AR_ARGS]) +AC_CACHE_CHECK([whether ranlib is needed], [fp_cv_prog_ar_needs_ranlib], +[if test $fp_prog_ar_is_gnu = yes; then + fp_cv_prog_ar_needs_ranlib=no +elif echo $fp_prog_ar_args | grep "s" > /dev/null 2> /dev/null; then + fp_cv_prog_ar_needs_ranlib=no +else + fp_cv_prog_ar_needs_ranlib=yes +fi]) +if test $fp_cv_prog_ar_needs_ranlib = yes; then + AC_PROG_RANLIB +else + RANLIB=":" + AC_SUBST([RANLIB]) fi -rm -rf conftest* -test -n "$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) +])# FP_PROG_AR_NEEDS_RANLIB + + +# FP_PROG_AR_SUPPORTS_INPUT +# ------------------------- +# Sets the output variable ArSupportsInput to "-input" or "", depending on +# whether ar supports -input flag is supported or not. +AC_DEFUN([FP_PROG_AR_SUPPORTS_INPUT], +[AC_REQUIRE([FP_PROG_AR_IS_GNU]) +AC_REQUIRE([FP_PROG_AR_ARGS]) +AC_CACHE_CHECK([whether $fp_prog_ar_raw supports -input], [fp_cv_prog_ar_supports_input], +[fp_cv_prog_ar_supports_input=no +if test $fp_prog_ar_is_gnu = no; then + rm -f conftest* + touch conftest.lst + if FP_EVAL_STDERR([$fp_prog_ar_raw $fp_prog_ar_args conftest.a -input conftest.lst]) >/dev/null; then + test -s conftest.err || fp_cv_prog_ar_supports_input=yes + fi + rm -f conftest* +fi]) +if test $fp_cv_prog_ar_supports_input = yes; then + ArSupportsInput="-input" else - AC_PROG_RANLIB + ArSupportsInput="" fi -]) +AC_SUBST([ArSupportsInput]) +])# FP_PROG_AR_SUPPORTS_INPUT + dnl dnl AC_SHEBANG_PERL - can we she-bang perl? @@ -518,6 +555,8 @@ fi ]) HaveGcc=`echo $fptools_cv_have_gcc | sed 'y/yesno/YESNO/'` AC_SUBST(HaveGcc) +GccVersion=`gcc --version | grep mingw | cut -f 3 -d ' '` +AC_SUBST(GccVersion) ]) dnl @@ -616,7 +655,7 @@ dnl AC_DEFUN(FPTOOLS_GHC_VERSION, [FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc], ["${WithGhc-ghc}" --version > conftestghc 2>&1 - cat conftestghc >&AC_FD_CC + cat conftestghc >&AS_MESSAGE_LOG_FD #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* @@ -655,6 +694,19 @@ ifelse($#, [1], [dnl ])dnl +AC_DEFUN(FPTOOLS_GHC_HAS_READLINE, +[AC_CACHE_CHECK([whether ghc has readline package], [fptools_ghc_has_readline], +[if "${GhcPkgCmd-ghc-pkg}" --show-package readline >/dev/null 2>&1; then + fptools_ghc_has_readline='yes'; + GhcHasReadline='YES'; + else + fptools_ghc_has_readline='no'; + GhcHasReadline='NO'; + fi + AC_SUBST(GhcHasReadline) +]) +]) + dnl ** Map an arithmetic C type to a Haskell type. dnl Based on autconf's AC_CHECK_SIZEOF. @@ -669,8 +721,10 @@ define(<>, translit(fptools_cv_htype_sup_$1, [ *], [_p]))d changequote([, ])dnl AC_MSG_CHECKING(Haskell type for $1) AC_CACHE_VAL(AC_CV_NAME, -[AC_CV_NAME_supported=yes; -AC_TRY_RUN([#include +[AC_CV_NAME_supported=yes +fp_check_htype_save_cppflags="$CPPFLAGS" +CPPFLAGS="$CPPFLAGS $X_CFLAGS" +AC_RUN_IFELSE([AC_LANG_SOURCE([[#include #include #if HAVE_SYS_TYPES_H @@ -741,9 +795,10 @@ main() { } fclose(f); exit(0); -}],AC_CV_NAME=`cat conftestval`, -ifelse([$2], , [AC_CV_NAME=NotReallyAType; AC_CV_NAME_supported=no], AC_CV_NAME=$2), -ifelse([$3], , [AC_CV_NAME=NotReallyATypeCross; AC_CV_NAME_supported=no], AC_CV_NAME=$3))]) dnl +}]])],[AC_CV_NAME=`cat conftestval`], +[ifelse([$2], , [AC_CV_NAME=NotReallyAType; AC_CV_NAME_supported=no], [AC_CV_NAME=$2])], +[ifelse([$3], , [AC_CV_NAME=NotReallyATypeCross; AC_CV_NAME_supported=no], [AC_CV_NAME=$3])])]) dnl +CPPFLAGS="$fp_check_htype_save_cppflags" if test "$AC_CV_NAME_supported" = yes; then AC_MSG_RESULT($AC_CV_NAME) AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME, [Define to Haskell type for $1]) @@ -755,355 +810,433 @@ undefine([AC_CV_NAME])dnl undefine([AC_CV_NAME_supported])dnl ]) -dnl Based on AC_TRY_LINK - run iftrue if links cleanly with no warning -dnl FPTOOLS_TRY_LINK_NOWARN(flags,main?,iftrue,iffalse) - -AC_DEFUN(FPTOOLS_TRY_LINK_NOWARN, -[ -ac_save_LIBS="$LIBS" -LIBS=[$1]; -cat > conftest.$ac_ext < conftest.xml << EOF + + + + A DocBook Test Document + + A Chapter Title + This is a paragraph, referencing . + + + Another Chapter Title + This is another paragraph, referencing . + + EOF -if AC_TRY_EVAL(ac_link); then - ifelse([$3], , :, [ - LIBS="$ac_save_LIBS" - rm -rf conftest* - $3]) - ifelse([$4], , , [else - LIBS="$ac_save_LIBS" - rm -rf conftest* - $4 -])dnl +]) # FP_GEN_DOCBOOK_XML + + +# FP_PROG_XSLTPROC +# ---------------- +# Sets the output variable XsltprocCmd to the full path of the XSLT processor +# xsltproc. XsltprocCmd is empty if xsltproc could not be found. +AC_DEFUN([FP_PROG_XSLTPROC], +[AC_PATH_PROG([XsltprocCmd], [xsltproc]) +if test -z "$XsltprocCmd"; then + AC_MSG_WARN([cannot find xsltproc in your PATH, you will not be able to build the documentation]) fi -rm -f conftest* -] -) - -dnl Loosely based on AC_CHECK_LIB in acgeneral.m4 in autoconf distribution - -dnl FPTOOLS_CHECK_FLAG_NOWARN(NAME, FLAG, CODE, iftrue, iffalse) - -AC_DEFUN(FPTOOLS_CHECK_FLAG_NOWARN, -[AC_MSG_CHECKING([for $1]) - AC_CACHE_VAL(ac_cv_flag_$1, - [FPTOOLS_TRY_LINK_NOWARN("$2", [main() { $3; exit(0); } ], - eval "ac_cv_flag_$1=yes", - eval "ac_cv_flag_$1=no" - )] - ) -if eval "test \"`echo '$ac_cv_flag_'$1`\" = yes"; then - AC_MSG_RESULT(yes) - LIBS="$2 $LIBS" - $4 +])# FP_PROG_XSLTPROC + + +# FP_DIR_DOCBOOK_XSL(XSL-DIRS) +# ---------------------------- +# Check which of the directories XSL-DIRS contains DocBook XSL stylesheets. The +# output variable DIR_DOCBOOK_XSL will contain the first usable directory or +# will be empty if none could be found. +AC_DEFUN([FP_DIR_DOCBOOK_XSL], +[AC_REQUIRE([FP_PROG_XSLTPROC])dnl +if test -n "$XsltprocCmd"; then + AC_CACHE_CHECK([for DocBook XSL stylesheet directory], fp_cv_dir_docbook_xsl, + [FP_GEN_DOCBOOK_XML + fp_cv_dir_docbook_xsl=no + for fp_var in $1; do + if $XsltprocCmd ${fp_var}/html/docbook.xsl conftest.xml > /dev/null 2>&1; then + fp_cv_dir_docbook_xsl=$fp_var + break + fi + done + rm -rf conftest*]) +fi +if test x"$fp_cv_dir_docbook_xsl" = xno; then + AC_MSG_WARN([cannot find DocBook XSL stylesheets, you will not be able to build the documentation]) + DIR_DOCBOOK_XSL= else - AC_MSG_RESULT(no) - $5 + DIR_DOCBOOK_XSL=$fp_cv_dir_docbook_xsl fi -]) +AC_SUBST([DIR_DOCBOOK_XSL]) +])# FP_DIR_DOCBOOK_XSL + + +# FP_PROG_XMLLINT +# ---------------- +# Sets the output variable XmllintCmd to the full path of the XSLT processor +# xmllint. XmllintCmd is empty if xmllint could not be found. +AC_DEFUN([FP_PROG_XMLLINT], +[AC_PATH_PROG([XmllintCmd], [xmllint]) +if test -z "$XmllintCmd"; then + AC_MSG_WARN([cannot find xmllint in your PATH, you will not be able to validate your documentation]) +fi +])# FP_PROG_XMLLINT -dnl FPTOOLS_CHECK_LIB_NOWARN(LIBRARY, FUNCTION) - -AC_DEFUN(FPTOOLS_CHECK_LIB_NOWARN, -[FPTOOLS_CHECK_FLAG_NOWARN([function_$2],[],[extern char $2(); $2();], -[changequote(, )dnl - ac_tr_lib=HAVE_LIB`echo $1 | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` - changequote([, ])dnl - AC_DEFINE_UNQUOTED($ac_tr_lib) -], -[FPTOOLS_CHECK_FLAG_NOWARN([library_$1],[-l$1],[extern char $2(); $2();], -[changequote(, )dnl - ac_tr_lib=HAVE_LIB`echo $1 | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` - changequote([, ])dnl - AC_DEFINE_UNQUOTED($ac_tr_lib) -], -[] -)])] -) - - -dnl ** Check which CATALOG file we have to use with DocBook SGML. -dnl -dnl FPTOOLS_DOCBOOK_CATALOG(VARIABLE, JADE, STYLESHEET, CATALOGS-TO-CHECK-FOR) -dnl -dnl If any of the catalogs given in CATALOGS-TO-CHECK-FOR works on this -dnl platform, let VARIABLE refer to this catalog; otherwise, VARIABLE -dnl is set to "no". JADE is the jade executable and STYLESHEET -dnl a DocBook style sheet. -dnl -AC_DEFUN(FPTOOLS_DOCBOOK_CATALOG, -[AC_CACHE_CHECK([for DocBook CATALOG], fptools_cv_sgml_catalog, -[ -cat > conftest.sgml << EOF - -
- -Test -Test -
Test
-Test - -Test - -Test. - - -
+ +# FP_CHECK_DOCBOOK_DTD +# -------------------- +AC_DEFUN([FP_CHECK_DOCBOOK_DTD], +[AC_REQUIRE([FP_PROG_XMLLINT])dnl +if test -n "$XmllintCmd"; then + AC_MSG_CHECKING([for DocBook DTD]) + FP_GEN_DOCBOOK_XML + if $XmllintCmd --valid --noout conftest.xml > /dev/null 2>&1; then + AC_MSG_RESULT([ok]) + else + AC_MSG_RESULT([failed]) + AC_MSG_WARN([cannot find a DTD for DocBook XML V4.2, you will not be able to validate your documentation]) + AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog]) + fi + rm -rf conftest* +fi +])# FP_CHECK_DOCBOOK_DTD + + +# FP_GEN_FO +# ------------------ +# Generates a formatting objects document in conftest.fo. +AC_DEFUN([FP_GEN_FO], +[rm -f conftest.fo +cat > conftest.fo << EOF + + + + + + + + + + + Test! + + + + EOF -fptools_cv_sgml_catalog=no -if test -z "$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" +]) # FP_GEN_FO + + +# FP_PROG_FOP +# ----------- +# Set the output variable 'FopCmd' to the first working 'fop' in the current +# 'PATH'. Note that /usr/bin/fop is broken in SuSE 9.1 (unpatched), so try +# /usr/share/fop/fop.sh in that case (or no 'fop'), too. +AC_DEFUN([FP_PROG_FOP], +[AC_PATH_PROGS([FopCmd1], [fop]) +if test -n "$FopCmd1"; then + AC_CACHE_CHECK([for $FopCmd1 usability], [fp_cv_fop_usability], + [FP_GEN_FO + if "$FopCmd1" -fo conftest.fo -ps conftest.ps > /dev/null 2>&1; then + fp_cv_fop_usability=yes + else + fp_cv_fop_usability=no + fi + rm -rf conftest*]) + if test x"$fp_cv_fop_usability" = xyes; then + FopCmd=$FopCmd1 + fi fi -]) -rm -rf conftest* -if test $fptools_cv_sgml_catalog != "no"; then - $1=$fptools_cv_sgml_catalog +if test -z "$FopCmd"; then + AC_PATH_PROGS([FopCmd2], [fop.sh], , [/usr/share/fop]) + FopCmd=$FopCmd2 fi -]) +AC_SUBST([FopCmd]) +])# FP_PROG_FOP -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 : - $5 + +# FP_PROG_FO_PROCESSOR +# -------------------- +# Try to find an FO processor. PassiveTeX output is sometimes a bit strange, so +# try FOP first. Sets the output variables FopCmd, XmltexCmd, DvipsCmd, and +# PdfxmltexCmd. +AC_DEFUN([FP_PROG_FO_PROCESSOR], +[AC_REQUIRE([FP_PROG_FOP]) +AC_PATH_PROG([XmltexCmd], [xmltex]) +AC_PATH_PROG([DvipsCmd], [dvips]) +if test -z "$FopCmd"; then + if test -z "$XmltexCmd"; then + AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI or PostScript documentation]) + else + if test -z "$DvipsCmd"; then + AC_MSG_WARN([cannot find a DVI => PS converter, you will not be able to build PostScript documentation]) + fi + fi + AC_PATH_PROG([PdfxmltexCmd], [pdfxmltex]) + if test -z "$PdfxmltexCmd"; then + AC_MSG_WARN([cannot find an FO => PDF converter, you will not be able to build PDF documentation]) + fi +elif test -z "$XmltexCmd"; then + AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI documentation]) +fi +])# FP_PROG_FO_PROCESSOR + + +# FP_PROG_GHC_PKG +# ---------------- +# Try to find a ghc-pkg matching the ghc mentioned in the environment variable +# WithGhc. If the latter is unset or no matching ghc-pkg can be found, try to +# find a plain ghc-pkg. Sets the output variable GhcPkgCmd. +AC_DEFUN([FP_PROG_GHC_PKG], +[AC_CACHE_CHECK([for ghc-pkg matching $WithGhc], fp_cv_matching_ghc_pkg, +[fp_ghc_pkg_guess=`echo $WithGhc | sed 's,ghc\(@<:@^/\\@:>@*\)$,ghc-pkg\1,'` +if "$fp_ghc_pkg_guess" -l > /dev/null 2>&1; then + fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess +else + fp_cv_matching_ghc_pkg=no fi]) +if test x"$fp_cv_matching_ghc_pkg" = xno; then + AC_PATH_PROG([GhcPkgCmd], [ghc-pkg]) +else + GhcPkgCmd=$fp_cv_matching_ghc_pkg +fi])# FP_PROG_GHC_PKG + + +# FP_CHECK_WIN32 +# -------------- +# If Windows is the target platform (e.g. MinGW/MSYS or Cygwin with +# -mno-cygwin), the variable "is_win32" is set to "yes", otherwise (e.g. *nix +# systems or plain Cygwin) it is set to "no". +AC_DEFUN([FP_CHECK_WIN32], +[AC_CACHE_CHECK([for Windows environment], [fp_cv_is_win32], + [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [ +#if !_WIN32 + syntax error; +#endif +])], [fp_cv_is_win32=yes], [fp_cv_is_win32=no])]) +is_win32="$fp_cv_is_win32"[]dnl +])# FP_CHECK_WIN32 + + +# FP_PATH_X +# --------- +# Same as AC_PATH_X, but works even for broken Cygwins which try to include the +# non-existant header when -mno-cygwin is used. +AC_DEFUN([FP_PATH_X], +[AC_REQUIRE([FP_CHECK_WIN32]) +if test x"$is_win32" = xyes; then + no_x=yes +else + AC_PATH_X +fi +])# FP_PATH_X -dnl ####################### -*- Mode: M4 -*- ########################### -dnl Copyright (C) 98, 1999 Matthew D. Langston -dnl -dnl This file is free software; you can redistribute it and/or modify it -dnl under the terms of the GNU General Public License as published by -dnl the Free Software Foundation; either version 2 of the License, or -dnl (at your option) any later version. -dnl -dnl This file is distributed in the hope that it will be useful, but -dnl WITHOUT ANY WARRANTY; without even the implied warranty of -dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -dnl General Public License for more details. -dnl -dnl You should have received a copy of the GNU General Public License -dnl along with this file; if not, write to: -dnl -dnl Free Software Foundation, Inc. -dnl Suite 330 -dnl 59 Temple Place -dnl Boston, MA 02111-1307, USA. -dnl #################################################################### +# FP_PATH_XTRA +# ------------ +# Same as AC_PATH_XTRA, but works even for broken Cygwins which try to include +# the non-existant header when -mno-cygwin is used. +AC_DEFUN([FP_PATH_XTRA], +[AC_REQUIRE([FP_CHECK_WIN32]) +if test x"$is_win32" = xyes; then + no_x=yes +else + AC_PATH_XTRA +fi +])# FP_PATH_XTRA + + +# FP_CHECK_GL_HELPER(LIBNAME, LIBS, INCLUDES, FUNCTION-BODY) +# ---------------------------------------------------------- +# Try each library in LIBS to successfully link INCLUDES plus FUNCTION-BODY, +# setting LIBNAME_CFLAGS and LIBNAME_LIBS to the corresponding values. Sets +# no_LIBNAME to "yes" if no suitable library was found. (LIBNAME_CFLAGS0 +# contains the value of LIBNAME_CFLAGS without CPPFLAGS, and LIBNAME_LIBS0 +# contains the value of LIBNAME_LIBS without LDFLAGS, but these are only +# used internally.) +AC_DEFUN([FP_CHECK_GL_HELPER], +[AC_CACHE_CHECK([for $1 library], [fp_cv_check_$1_lib], + [fp_cv_check_$1_lib="no" + fp_save_CPPFLAGS="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS ${$1_CFLAGS}" + fp_save_LIBS="$LIBS" + for fp_try_lib in $2; do + # transform "-lfoo" to "foo.lib" when using cl + if test x"$CC" = xcl; then + fp_try_lib=`echo $fp_try_lib | sed -e 's/^-l//' -e 's/$/.lib/'` + fi + LIBS="$fp_try_lib ${$1_LIBS} $fp_save_LIBS" + AC_LINK_IFELSE([AC_LANG_PROGRAM([$3], [$4])], [fp_cv_check_$1_lib="$fp_try_lib ${$1_LIBS}"; break]) + done + LIBS="$fp_save_LIBS" + CPPFLAGS="$fp_save_CPPFLAGS"]) + + if test x"$fp_cv_check_$1_lib" = xno; then + no_$1=yes + $1_CFLAGS= + $1_LIBS= + else + $1_CFLAGS0="${$1_CFLAGS}" + $1_CFLAGS="$CPPFLAGS ${$1_CFLAGS0}" + $1_LIBS0="$fp_cv_check_$1_lib" + $1_LIBS="$LDFLAGS ${$1_LIBS0}" + fi +])# FP_CHECK_GL_HELPER -dnl @synopsis FPTOOLS_CHECK_LIBM -dnl -dnl Search for math library (typically -lm). -dnl -dnl The variable LIBM (which is not an output variable by default) is -dnl set to a value which is suitable for use in a Makefile (for example, -dnl in make's LOADLIBES macro) provided you AC_SUBST it first. -dnl -dnl @author Matthew D. Langston - -# FPTOOLS_CHECK_LIBM - check for math library -AC_DEFUN(FPTOOLS_CHECK_LIBM, -[AC_REQUIRE([AC_CANONICAL_HOST])dnl -LIBM= -case "$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 ###################################################################### +# FP_CHECK_GL +# ----------- +AC_DEFUN([FP_CHECK_GL], +[AC_REQUIRE([FP_PATH_X]) +AC_REQUIRE([AC_CANONICAL_TARGET]) -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_ARG_ENABLE([hopengl], + [AC_HELP_STRING([--enable-hopengl], + [build a Haskell binding for OpenGL (GL/GLU). On Mac OS X, use + --enable-hopengl=x11 to use X11 instead of the "native" libraries. + (default=no)])], + [enable_opengl=$enableval], [enable_opengl=no]) -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 +if test x"$enable_opengl" = xno; then + no_GL=yes +else + use_quartz_opengl=no + case $target_os in + darwin*) + if test x"$enable_opengl" != xx11; then + AC_DEFINE([USE_QUARTZ_OPENGL], [1], + [Define to 1 if native OpenGL should be used on Mac OS X]) + use_quartz_opengl=yes + fi + ;; + esac + + if test x"$use_quartz_opengl" != xyes; then + AC_CHECK_LIB([m], [atan], [GL_LIBS="-lm $GL_LIBS"]) + + if test x"$no_x" != xyes; then + test -n "$x_includes" && GL_CFLAGS="-I$x_includes $GL_CFLAGS" + test -n "$x_libraries" && GL_LIBS="-L$x_libraries -lX11 $GL_LIBS" + fi + + FP_CHECK_GL_HELPER([GL], [-lGL -lopengl32], [@%:@include ], [glEnd()]) + + if test x"$no_GL" != xyes; then + # Ugly: To get wglGetProcAddress on Windows, we have to link with + # opengl32.dll, too, even when we are using Cygwin with X11. + case "$GL_LIBS" in + *-lopengl32*|*opengl32.lib*) ;; + *) fp_save_LIBS="$LIBS" + LIBS="$LIBS -lopengl32" + AC_LINK_IFELSE([AC_LANG_PROGRAM([[@%:@include ]], [[glEnd()]])], + [GL_LIBS="$GL_LIBS -lopengl32"; GL_LIBS0="$GL_LIBS0 -lopengl32"]) + LIBS="$fp_save_LIBS" + ;; + esac + fi + fi +fi - AC_LANG_SAVE - AC_LANG_C +AC_SUBST([GL_CFLAGS]) +AC_SUBST([GL_LIBS]) +])# FP_CHECK_GL -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="$GL_X_LIBS" +# FP_CHECK_GLU +# ------------ +AC_DEFUN([FP_CHECK_GLU], +[AC_REQUIRE([FP_CHECK_GL])dnl +GLU_CFLAGS="$GL_CFLAGS0" +GLU_LIBS="$GL_LIBS0" + +if test x"$enable_opengl" = xno; then + no_GLU=yes +elif test x"$use_quartz_opengl" != xyes; then + FP_CHECK_GL_HELPER([GLU], [-lglu32 -lGLU], [@%:@include ], [gluNewQuadric()]) +fi - 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, $GLX_search_list, have_GLX=yes, have_GLX=no) +AC_SUBST([GLU_CFLAGS]) +AC_SUBST([GLU_LIBS]) +])# FP_CHECK_GLU - if test -n "$LIBS"; then - GL_LIBS="$LDFLAGS $LIBS" - else - GL_LIBS="$LDFLAGS" - GL_CFLAGS= - fi - dnl Keep the GL/GLU/GLX libs, but expand the rest to what GLUT needs. - dnl (Some systems, like OpenBSD, need the GL/GLU libs.) - LIBS=`echo "$LIBS" | sed "s@$GL_X_LIBS@$GLUT_X_LIBS@"` +# FP_CHECK_GLUT +# ------------- +AC_DEFUN([FP_CHECK_GLUT], +[AC_REQUIRE([FP_CHECK_GLU]) +FP_PATH_XTRA - FPTOOLS_SEARCH_LIBS([#include ], glutMainLoop, glut32 glut, have_glut=yes, have_glut=no) +if test x"$enable_opengl" = xno; then + no_GLUT=yes +elif test x"$use_quartz_opengl" != xyes; then + GLUT_CFLAGS="$GLU_CFLAGS0" + GLUT_LIBS="$GLU_LIBS0" - if test -n "$LIBS"; then - GLUT_LIBS="$LDFLAGS $LIBS" + if test x"$no_x" != xyes; then + GLUT_LIBS="$X_PRE_LIBS -lXmu -lXi $X_EXTRA_LIBS $GLUT_LIBS" fi - AC_CACHE_CHECK([OpenGL flags], mdl_cv_gl_cflags, [mdl_cv_gl_cflags="$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="$GL_save_CPPFLAGS" - - AC_LANG_RESTORE + AC_CHECK_HEADERS([windows.h GL/glut.h]) + # Note 1: On Cygwin with X11, GL/GLU functions use the "normal" calling + # convention, but GLUT functions use stdcall. To get this right, it is + # necessary to include first. + # Note 2: MinGW/MSYS comes without a GLUT header, so we use Cygwin's one in + # that case. + FP_CHECK_GL_HELPER([GLUT], [-lglut32 -lglut], [ +#if HAVE_WINDOWS_H +#include +#endif +#if HAVE_GL_GLUT_H +#include +#else +#include "glut_local.h" +#endif + ], [glutMainLoop()]) +fi + +AC_SUBST([GLUT_CFLAGS]) +AC_SUBST([GLUT_LIBS]) +])# FP_CHECK_GLUT + + +# FP_EMPTY_STRUCTS +# ---------------- +# Define output variable SUPPORTS_EMPTY_STRUCTS if empty structs are accepted by +# CC. +dnl +AC_DEFUN(FP_EMPTY_STRUCTS, +[AC_CACHE_CHECK(empty struct support, fp_cv_empty_structs, +[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[typedef struct { /* empty */ } StgFoo;]], +[[int i;]])], +[fp_cv_empty_structs=yes], +[fp_cv_empty_structs=no])]) +if test x"$fp_cv_empty_structs" = xyes; then + AC_DEFINE([SUPPORTS_EMPTY_STRUCTS], [1], [Define to 1 if C compiler supports declaration of empty structure types.]) +fi ]) + # LocalWords: fi