dnl == autoconf source for the Glasgow FP tools == dnl (run "grep '^dnl \*' configure.in | sed -e 's/dnl / /g; s/\*\*/ +/g;'" dnl (or some such) to see the outline of this file) dnl # # (c) The AQUA Project, Glasgow University, 1994-1998 # # Configure script template for the Glasgow functional programming tools # # Process with 'autoconf' to get a working configure script. # # For the generated configure script, do "./configure --help" to # see what flags are available. (Better yet, read the documentation!) # # First off, a distrib sanity check.. AC_INIT(mk/config.mk.in) dnl * We require autoconf version 2.53 due to the use of AC_SYS_LARGEFILE AC_PREREQ(2.52) dnl * Declare subdirectories that have a private configure script dnl dnl After the toplevel configuration is complete, the script will recurse into dnl these subdirectories (the use of cache values makes repeated checks cheap) dnl (We probably have to add hslibs/{OpenGL,GLUT} here later...) AC_CONFIG_SUBDIRS(ghc) # ------------------------------------------------------------------------- # Prepare to generate the following header files # # AC_CONFIG_HEADER(mk/config.h) # No, semi-sadly, we don't do `--srcdir'... if test x"$srcdir" != 'x.' ; then echo "This configuration does not support the \`--srcdir' option.." exit 1 fi dnl-------------------------------------------------------------------- dnl * Choose host(/target/build) platform dnl-------------------------------------------------------------------- dnl Guess host/target/build platform(s) if necessary. AC_CANONICAL_SYSTEM # "$host" defaults to "$target" if test "x$host" = xNONE ; then host=$target fi dnl ** canonicalize platform names BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1 if test x"$TargetPlatform" != x"$HostPlatform" ; then echo "GHC configuration does not support differing host/target (i.e., cross-compiling)" exit 1 fi exeext='' # # The following will be more difficult when we *are* cross-compiling. # Suitable names to slam in *_CPP are in platform.h.in. # We also record the architecture, vendor, and operating system (OS) # separately. case $HostPlatform in alpha*-dec-osf[[12]]*) HostPlatform=alpha-dec-osf1 # canonicalise for our purposes TargetPlatform=alpha-dec-osf1 # this will work for now... (hack) BuildPlatform=alpha-dec-osf1 # hack HostPlatform_CPP='alpha_dec_osf1' HostArch_CPP='alpha' HostVendor_CPP='dec' HostOS_CPP='osf1' ;; alpha*-dec-osf[[345]]*) HostPlatform=alpha-dec-osf3 # canonicalise for our purposes TargetPlatform=alpha-dec-osf3 # this will work for now... (hack) BuildPlatform=alpha-dec-osf3 # hack HostPlatform_CPP='alpha_dec_osf3' HostArch_CPP='alpha' HostVendor_CPP='dec' HostOS_CPP='osf3' ;; alpha*-unknown-linux*) HostPlatform=alpha-unknown-linux TargetPlatform=alpha-unknown-linux BuildPlatform=alpha-unknown-linux HostPlatform_CPP='alpha_unknown_linux' HostArch_CPP='alpha' HostVendor_CPP='unknown' HostOS_CPP='linux' ;; alpha*-unknown-freebsd*) HostPlatform=alpha-unknown-freebsd TargetPlatform=alpha-unknown-freebsd BuildPlatform=alpha-unknown-freebsd HostPlatform_CPP='alpha_unknown_freebsd' HostArch_CPP='alpha' HostVendor_CPP='unknown' HostOS_CPP='freebsd' ;; hppa1.1-hp-hpux*) HostPlatform=hppa1.1-hp-hpux # canonicalise for our purposes (hack) TargetPlatform=hppa1.1-hp-hpux BuildPlatform=hppa1.1-hp-hpux HostPlatform_CPP='hppa1_1_hp_hpux' HostArch_CPP='hppa1_1' HostVendor_CPP='hp' HostOS_CPP='hpux' ;; i[[3456]]86-*-linuxaout*) HostPlatform=i386-unknown-linuxaout # hack again TargetPlatform=i386-unknown-linuxaout BuildPlatform=i386-unknown-linuxaout HostPlatform_CPP='i386_unknown_linuxaout' HostArch_CPP='i386' HostVendor_CPP='unknown' HostOS_CPP='linuxaout' ;; i[[3456]]86-*-linux*) HostPlatform=i386-unknown-linux # hack again TargetPlatform=i386-unknown-linux BuildPlatform=i386-unknown-linux HostPlatform_CPP='i386_unknown_linux' HostArch_CPP='i386' HostVendor_CPP='unknown' HostOS_CPP='linux' ;; i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF HostPlatform=i386-unknown-freebsd # hack again TargetPlatform=i386-unknown-freebsd BuildPlatform=i386-unknown-freebsd HostPlatform_CPP='i386_unknown_freebsd' HostArch_CPP='i386' HostVendor_CPP='unknown' HostOS_CPP='freebsd' ;; i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out HostPlatform=i386-unknown-freebsd2 # hack again TargetPlatform=i386-unknown-freebsd2 BuildPlatform=i386-unknown-freebsd2 HostPlatform_CPP='i386_unknown_freebsd2' HostArch_CPP='i386' HostVendor_CPP='unknown' HostOS_CPP='freebsd2' ;; i[[3456]]86-*-netbsd*) HostPlatform=i386-unknown-netbsd # hack again TargetPlatform=i386-unknown-netbsd BuildPlatform=i386-unknown-netbsd HostPlatform_CPP='i386_unknown_netbsd' HostArch_CPP='i386' HostVendor_CPP='unknown' HostOS_CPP='netbsd' ;; i[[3456]]86-*-openbsd*) HostPlatform=i386-unknown-openbsd # hack again TargetPlatform=i386-unknown-openbsd BuildPlatform=i386-unknown-openbsd HostPlatform_CPP='i386_unknown_openbsd' HostArch_CPP='i386' HostVendor_CPP='unknown' HostOS_CPP='openbsd' ;; i[[3456]]86-*-solaris2*) HostPlatform=i386-unknown-solaris2 # hack again TargetPlatform=i386-unknown-solaris2 BuildPlatform=i386-unknown-solaris2 HostPlatform_CPP='i386_unknown_solaris2' HostArch_CPP='i386' HostVendor_CPP='unknown' HostOS_CPP='solaris2' ;; i[[3456]]86-*-cygwin*) HostPlatform=i386-unknown-cygwin32 # hack again TargetPlatform=i386-unknown-cygwin32 BuildPlatform=i386-unknown-cygwin32 HostPlatform_CPP='i386_unknown_cygwin32' HostArch_CPP='i386' HostVendor_CPP='unknown' HostOS_CPP='cygwin32' exeext='.exe' ;; i[[3456]]86-*-mingw32*) HostPlatform=i386-unknown-mingw32 # hack again TargetPlatform=i386-unknown-mingw32 BuildPlatform=i386-unknown-mingw32 HostPlatform_CPP='i386_unknown_mingw32' HostArch_CPP='i386' HostVendor_CPP='unknown' HostOS_CPP='mingw32' exeext='.exe' ;; ia64-*-linux*) HostPlatform=ia64-unknown-linux # hack again TargetPlatform=ia64-unknown-linux BuildPlatform=ia64-unknown-linux HostPlatform_CPP='ia64_unknown_linux' HostArch_CPP='ia64' HostVendor_CPP='unknown' HostOS_CPP='linux' ;; m68k-next-nextstep2) HostPlatform_CPP='m68k_next_nextstep2' HostArch_CPP='m68k' HostVendor_CPP='next' HostOS_CPP='nextstep2' ;; m68k-next-nextstep3) HostPlatform_CPP='m68k_next_nextstep3' HostArch_CPP='m68k' HostVendor_CPP='next' HostOS_CPP='nextstep3' ;; i[[3456]]86-next-nextstep3) HostPlatform=i386-next-nextstep3 # hack again TargetPlatform=i386-next-nextstep3 BuildPlatform=i386-next-nextstep3 HostPlatform_CPP='i386_next_nextstep3' HostArch_CPP='i386' HostVendor_CPP='next' HostOS_CPP='nextstep3' ;; m68k-*-openbsd*) HostPlatform=m68k-unknown-openbsd TargetPlatform=m68k-unknown-openbsd BuildPlatform=m68k-unknown-openbsd HostPlatform_CPP='m68k_unknown_openbsd' HostArch_CPP='m68k' HostVendor_CPP='unknown' HostOS_CPP='openbsd' ;; m68k-apple-netbsd*) HostPlatform=m68k-apple-netbsd TargetPlatform=m68k-apple-netbsd BuildPlatform=m68k-apple-netbsd HostPlatform_CPP='m68k_apple_netbsd' HostArch_CPP='m68k' HostVendor_CPP='apple' HostOS_CPP='netbsd' ;; m68k-sun-sunos4*) HostPlatform=m68k-sun-sunos4 TargetPlatform=m68k-sun-sunos4 #hack BuildPlatform=m68k-sun-sunos4 #hack HostPlatform_CPP='m68k_sun_sunos4' HostArch_CPP='m68k' HostVendor_CPP='sun' HostOS_CPP='sunos4' ;; mips-dec-ultrix*) HostPlatform_CPP='mips_dec_ultrix' HostArch_CPP='mipsel' # NB a little different HostVendor_CPP='dec' HostOS_CPP='ultrix' ;; mips-sgi-irix*) HostPlatform=mips-sgi-irix TargetPlatform=mips-sgi-irix #hack BuildPlatform=mips-sgi-irix #hack HostPlatform_CPP='mips_sgi_irix' HostArch_CPP='mipseb' # NB a little different HostVendor_CPP='sgi' HostOS_CPP='irix' ;; rs6000-ibm-aix*) HostPlatform=rs6000-ibm-aix TargetPlatform=rs6000-ibm-aix #hack BuildPlatform=rs6000-ibm-aix #hack HostPlatform_CPP='rs6000_ibm_aix' HostArch_CPP='rs6000' HostVendor_CPP='ibm' HostOS_CPP='aix' ;; powerpc-ibm-aix*) HostPlatform=powerpc-ibm-aix TargetPlatform=powerpc-ibm-aix #hack BuildPlatform=powerpc-ibm-aix #hack HostPlatform_CPP='powerpc_ibm_aix' HostArch_CPP='powerpc' HostVendor_CPP='ibm' HostOS_CPP='aix' ;; powerpc-apple-darwin*) HostPlatform=powerpc-apple-darwin TargetPlatform=powerpc-apple-darwin #hack BuildPlatform=powerpc-apple-darwin #hack HostPlatform_CPP='powerpc_apple_darwin' HostArch_CPP='powerpc' HostVendor_CPP='apple' HostOS_CPP='darwin' ;; sparc-sun-sunos4*) HostPlatform=sparc-sun-sunos4 TargetPlatform=sparc-sun-sunos4 #hack BuildPlatform=sparc-sun-sunos4 #hack HostPlatform_CPP='sparc_sun_sunos4' HostArch_CPP='sparc' HostVendor_CPP='sun' HostOS_CPP='sunos4' ;; sparc-sun-solaris2*) HostPlatform=sparc-sun-solaris2 TargetPlatform=sparc-sun-solaris2 #hack BuildPlatform=sparc-sun-solaris2 #hack HostPlatform_CPP='sparc_sun_solaris2' HostArch_CPP='sparc' HostVendor_CPP='sun' HostOS_CPP='solaris2' ;; *) echo "Unrecognised platform: $HostPlatform" exit 1 ;; esac echo "Canonicalised to: $HostPlatform" test x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform" test x"$BuildPlatform" != x"$HostPlatform" && echo "Build platform set to $BuildPlatform" BuildPlatform_CPP=$HostPlatform_CPP TargetPlatform_CPP=$HostPlatform_CPP BuildArch_CPP=$HostArch_CPP TargetArch_CPP=$HostArch_CPP BuildOS_CPP=$HostOS_CPP HostOS_Full=$host_os TargetOS_CPP=$HostOS_CPP BuildVendor_CPP=$HostVendor_CPP TargetVendor_CPP=$HostVendor_CPP dnl Cannot afford all these SUBSTs (because of braindead seds w/ 99 cmd limits) dnl AC_SUBST(BuildPlatform) AC_SUBST(HostPlatform) AC_SUBST(TargetPlatform) AC_SUBST(HostPlatform_CPP) dnl AC_SUBST(BuildPlatform_CPP) dnl AC_SUBST(TargetPlatform_CPP) AC_SUBST(HostArch_CPP) dnl AC_SUBST(BuildArch_CPP) dnl AC_SUBST(TargetArch_CPP) AC_SUBST(HostOS_CPP) AC_SUBST(HostOS_Full) dnl AC_SUBST(BuildOS_CPP) dnl AC_SUBST(TargetOS_CPP) AC_SUBST(HostVendor_CPP) dnl AC_SUBST(BuildVendor_CPP) dnl AC_SUBST(TargetVendor_CPP) AC_SUBST(exeext) dnl -------------------------------------------------------------- dnl * Calculate absolute path to build tree dnl -------------------------------------------------------------- AC_MSG_CHECKING(for path to top of build tree) hardtop=`pwd` dnl Remove common automounter nonsense dnl hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^//\(.\)/|\1:/|' ` dnl Find 'hardtop_plat', the native format for 'hardtop' (i.e., right kind of \dnl slashes on a Win32 box, but with b-slashes being escaped). dnl case $HostPlatform in i386-unknown-mingw32 | i386-unknown-cygwin32) # convert $hardtop to a path that mingw will understand too cyghardtop=${hardtop} hardtop=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@/@g'` hardtop_plat=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'` ;; *) hardtop_plat=${hardtop} ;; esac AC_SUBST(hardtop) AC_SUBST(hardtop_plat) AC_MSG_RESULT(${hardtop}) dnl -------------------------------------------------------------- dnl * Project specific configuration options dnl -------------------------------------------------------------- dnl What follows is a bunch of options that can either be configured dnl through command line options to the configure script or by dnl supplying defns in the build tree's mk/build.mk. Having the option to dnl use either is considered a Feature. dnl ** What command to use to compile compiler sources ? dnl -------------------------------------------------------------- AC_ARG_WITH(ghc, [ --with-ghc= Use a command different from 'ghc' to compile GHC-specific Haskell code (including GHC itself). ], [ WithGhc="$withval" ], [ if test "$GHC" = ""; then AC_PATH_PROG(GHC,ghc) fi WithGhc=$GHC ] ) AC_SUBST(WithGhc) AC_ARG_WITH(hc, [ --with-hc= Use a command different from 'ghc' to compile generic Haskell code. ], [WithHc="$withval"], [WithHc=$WithGhc] ) AC_SUBST(WithHc) if test "$WithGhc" != ""; then FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl AC_SUBST(GhcVersion)dnl AC_SUBST(GhcMajVersion)dnl AC_SUBST(GhcMinVersion)dnl AC_SUBST(GhcPatchLevel)dnl fi AC_PATH_PROGS(NHC,nhc nhc98) AC_PATH_PROG(HBC,hbc) dnl ** Which gcc to use? dnl -------------------------------------------------------------- AC_ARG_WITH(gcc, [ --with-gcc= Use a different command instead of 'gcc' for the GNU C compiler. ], [WhatGccIsCalled="$withval" if test "x$HostPlatform" = "xi386-unknown-mingw32"; then # Canonicalise to :/path/to/gcc withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' ` fi; CC="$withval"], [WhatGccIsCalled="gcc"] ) AC_SUBST(WhatGccIsCalled) dnl ** Booting from .hc files? dnl -------------------------------------------------------------- AC_ARG_ENABLE(hc-boot, [ --enable-hc-boot Boot the Glasgow Haskell Compiler from intermediate .hc files. (This option is mostly of interest to porters.) ], [BootingFromHc=YES], [BootingFromHc=NO] ) AC_SUBST(BootingFromHc) dnl ** Booting from unregisterised .hc files? dnl -------------------------------------------------------------- AC_ARG_ENABLE(hc-boot-unregisterised, [ --enable-hc-boot-unregisterised With --enable-hc-boot, treat the intermediate .hc files as unregisterised rather than registerised code. (This option is mostly of interest to porters.) ], [BootingFromUnregisterisedHc=YES], [BootingFromUnregisterisedHc=NO] ) AC_SUBST(BootingFromUnregisterisedHc) if test "$BootingFromHc" = "NO"; then if test "$BootingFromUnregisterisedHc" = "YES"; then AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.]) fi; fi; dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/ghc"; then AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.]) fi; dnl ** Enable multi-thread friendly RTS? dnl -------------------------------------------------------------- AC_ARG_ENABLE(threaded-rts, [ --enable-threaded-rts Support better interop with OS threads. ], [ThreadedRts=YES], [ThreadedRts=NO] ) AC_SUBST(ThreadedRts) dnl ** Enable the construction of Win32 DLLs? dnl -------------------------------------------------------------- AC_ARG_ENABLE(win32-dlls, [ --enable-win32-dlls If on a Win32 platform running mingw32/cygwin, enable the construction of DLLs containing ghc-compiled code. ], [ case $HostOS_CPP in cygwin32) ;; mingw32) ;; *) echo "Unrecognised win32 platform: $HostPlatform" exit 1 ;; esac EnableWin32DLLs=YES ], [EnableWin32DLLs=NO] ) AC_SUBST(EnableWin32DLLs) if test x"$EnableWin32DLLs" = "xYES" ; then AC_DEFINE(HAVE_WIN32_DLL_SUPPORT) fi dnl ** Enable the building of the ObjectIO? dnl -------------------------------------------------------------- AC_ARG_ENABLE(objectio, [ --enable-objectio Build ObjectIO, a portable GUI library for Haskell. ], [GhcLibsWithObjectIO=YES], [GhcLibsWithObjectIO=NO] ) AC_SUBST(GhcLibsWithObjectIO) dnl ** Enable the building of the OpenGL/GLUT binding in hslibs? dnl -------------------------------------------------------------- AC_ARG_ENABLE(hopengl, [ --enable-hopengl Build HOpenGL, a Haskell binding for OpenGL/GLUT. ], [GhcLibsWithHOpenGL=YES], [GhcLibsWithHOpenGL=NO] ) AC_SUBST(GhcLibsWithHOpenGL) dnl ** .NET interop support? dnl -------------------------------------------------------------- AC_ARG_ENABLE(dotnet, [ --enable-dotnet Build .NET interop layer. ], [DotnetSupport=YES; AC_DEFINE(WANT_DOTNET_SUPPORT)], [DotnetSupport=NO] ) AC_SUBST(DotnetSupport) dnl -------------------------------------------------------------- dnl End of configure script option section dnl -------------------------------------------------------------- dnl -------------------------------------------------------------- dnl * General configuration checks dnl -------------------------------------------------------------- dnl ** does #! work? AC_SYS_INTERPRETER() dnl ** look for `perl', but only in /bin on Windows case $HostOS_CPP in cygwin32|mingw32) AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin) if test -z "$PerlCmd"; then echo "You must install the version of Perl shipped with GHC" echo "(or a compatible one) in /bin." exit 1 fi ;; *) AC_PATH_PROG(PerlCmd,perl) if test -z "$PerlCmd"; then echo "You must install perl before you can continue" echo "Perhaps it is already installed, but not in your PATH?" exit 1 else FPTOOLS_CHECK_PERL_VERSION fi ;; esac dnl ** does #! path/to/perl work? (sometimes it's too long...) FPTOOLS_SHEBANG_PERL dnl ** check for Python AC_PATH_PROG(PythonCmd,python) dnl ** look for GCC and find out which version dnl Figure out which C compiler to use. Gcc is preferred. dnl If gcc, make sure it's at least 2.1 dnl AC_PROG_CC FPTOOLS_HAVE_GCC FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR dnl ** figure out how to invoke cpp directly (gcc -E is no good) AC_PROG_CPP dnl ** Without optimization some INLINE trickery fails for GHCi SRC_CC_OPTS="-O" dnl ** Try to add -mno-cygwin to the C compiler options for mingw32 targets if test x"$TargetOS_CPP" = x"mingw32"; then FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN) SRC_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN $SRC_CC_OPTS" CPPFLAGS="$CC_SUPPORTS_MNO_CYGWIN $CPPFLAGS" fi AC_SUBST(SRC_CC_OPTS) dnl ** figure out how to do context diffs FPTOOLS_PROG_DIFF dnl ** Find find command (for Win32's benefit) FPTOOLS_FIND_FIND dnl ** look for a decent parser generator (bison preferred) dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing dnl on the suitability of the 'yacc' returned.) FPTOOLS_PROG_YACCY dnl ** Find lex command (lex or flex) - *doesn't* use autoconf's dnl AC_PROG_LEX, since it doesn't actually check whether 'lex' dnl exists if 'flex' doesn't. AC_PROG_LEX_STRICT dnl ** figure out how to do a BSD-ish install AC_PROG_INSTALL dnl If you can run configure, you certainly have /bin/sh AC_DEFINE(HAVE_BIN_SH) dnl ** how to invoke `ar' and `ranlib' FPTOOLS_PROG_AR_AND_RANLIB dnl ** Check to see whether ln -s works AC_PROG_LN_S dnl ** Find the path to sed AC_PATH_PROG(SedCmd,sed) dnl ** check for time command AC_PATH_PROG(TimeCmd,time) dnl ** check for tar dnl if GNU tar is named gtar, look for it first. AC_PATH_PROGS(TarCmd,gtar tar,tar) dnl ** check for gzip/compress AC_PATH_PROGS(CompressCmd,gzip compress,gzip) dnl ** check for jade/openjade & determine a working catalog AC_PATH_PROGS(JadeCmd,openjade jade,jade) FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl, /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl /usr/local/share/sgml/catalog glafp-utils/docbook/CATALOG*) if test -z "$Catalog"; then AC_MSG_RESULT([Warning: You will not be able to build the documentation.]) fi case $Catalog in yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var). Catalog= ;; glafp*) case $HostOS_CPP in mingw32) Catalog=`cygpath -w $hardtop/$Catalog` ;; *) Catalog=$hardtop/$Catalog ;; esac ;; esac AC_SUBST(Catalog) compress_nm=`basename $CompressCmd` if test x"$compress_nm" = xgzip; then CompressCmd="$CompressCmd -d" CompressSuffix="gz" else CompressSuffix="Z" fi AC_SUBST(CompressCmd) AC_SUBST(CompressSuffix) dnl ** check for ghc-pkg command changequote(, )dnl ghc_pkg_guess=`echo $WithGhc | sed 's@ghc\([^/\\]*\)$@ghc-pkg\1@'` changequote([, ])dnl if $ghc_pkg_guess -l >/dev/null 2>/dev/null; then GhcPkgCmd=$ghc_pkg_guess AC_MSG_NOTICE([using $ghc_pkg_guess for ghc-pkg]) else AC_PATH_PROG(GhcPkgCmd,ghc-pkg) fi AC_ARG_WITH(greencard, [ --with-greencard= Use a command different from 'green-card' to compile GreenCard files ], [ GreencardCmd=$withval; FPTOOLS_GREENCARD(3.00) ] ) AC_ARG_ENABLE(src-tree-happy, [ --enable-src-tree-happy Build and use source tree (fptools/happy) version of happy. ], [UseSrcTreeHappy=YES], [UseSrcTreeHappy=NO] ) dnl ** check for installed happy binary + version dnl (don't do it if we're booting from .hc files though.) if test "$BootingFromHc" = "NO"; then FPTOOLS_HAPPY fi; AC_ARG_ENABLE(src-tree-haddock, [ --enable-src-tree-haddock Build and use source tree (fptools/haddock) version of haddock. ], [UseSrcTreeHaddock=YES], [UseSrcTreeHaddock=NO] ) dnl ** check for installed haddock FPTOOLS_HADDOCK dnl -------------------------------------------------- dnl ### program checking section ends here ### dnl -------------------------------------------------- dnl -------------------------------------------------- dnl * Platform header file and syscall feature tests dnl ### checking the state of the local header files and syscalls ### dnl ** check for full ANSI header (.h) files AC_HEADER_STDC dnl ** Enable large file support. NB. do this before testing the type of dnl off_t, because it will affect the result of that test. AC_SYS_LARGEFILE dnl ** check for specific header (.h) files that we are interested in AC_CHECK_HEADERS(Files.h arpa/inet.h assert.h console.h ctype.h dirent.h errno.h fcntl.h float.h ftw.h grp.h ieee754.h inttypes.h limits.h malloc.h memory.h nlist.h pascal.h pwd.h sgtty.h siginfo.h signal.h stat.h stdint.h stdlib.h stddef.h stdarg.h string.h sys/fault.h sys/file.h sys/ioctl.h sys/limits.h sys/mman.h sys/param.h sys/procfs.h sys/resource.h sys/signal.h sys/socket.h netdb.h netinet/in.h netinet/tcp.h sys/stat.h sys/syscall.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/types.h sys/un.h sys/utsname.h sys/vadvise.h sys/wait.h termio.h termios.h time.h types.h unistd.h utime.h values.h bfd.h winsock.h pthread.h sys/uio.h) AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)]) AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO]) AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO]) if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then HaveReadlineHeaders=YES AC_DEFINE(HAVE_READLINE_HEADERS,1) else HaveReadlineHeaders=NO AC_DEFINE(HAVE_READLINE_HEADERS,0) fi AC_SUBST(HaveReadlineHeaders) dnl ** check for DOS include files AC_CHECK_HEADERS(dos.h conio.h io.h std.h) dnl ** check for Windows include files AC_CHECK_HEADERS(windows.h) dnl ** check for OpenGL include files AC_CHECK_HEADERS(GL/gl.h) dnl ** check if it is safe to include both and AC_HEADER_TIME dnl dynamic loading include files AC_CHECK_HEADERS(dlfcn.h dl.h) dnl ** check for farcalloc (in bcc) AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)]) dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix) AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)]) dnl ** check for POSIX regex HavePosixRegex=NO AC_CHECK_HEADER(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])]) AC_SUBST(HavePosixRegex) dnl ** how do we get a timezone name, and UTC offset ? AC_STRUCT_TIMEZONE dnl ** what's the type of timezone? FPTOOLS_HAVE_TIMEZONE FPTOOLS_TYPE_TIMEZONE dnl ** do we have altzone? FPTOOLS_ALTZONE dnl ** does struct stat contain st_blksize? AC_STRUCT_ST_BLKSIZE dnl ** do we have long longs? FPTOOLS_C_LONG_LONG dnl ** check what fields struct msghdr contains FPTOOLS_MSGHDR_MSG_ACCRIGHTS FPTOOLS_MSGHDR_MSG_CONTROL dnl ** what are the sizes of various types dnl (these must come before GHC_CHECK_ALIGNMENT) AC_CHECK_SIZEOF(char, 1) AC_CHECK_SIZEOF(double, 8) AC_CHECK_SIZEOF(float, 4) AC_CHECK_SIZEOF(int, 4) AC_CHECK_SIZEOF(long, 4) if test "$fptools_cv_have_long_long" = yes; then AC_CHECK_SIZEOF(long long, 8) fi AC_CHECK_SIZEOF(short, 2) AC_CHECK_SIZEOF(unsigned char, 1) AC_CHECK_SIZEOF(unsigned int, 4) AC_CHECK_SIZEOF(unsigned long, 4) if test "$fptools_cv_have_long_long" = yes; then AC_CHECK_SIZEOF(unsigned long long, 8) fi AC_CHECK_SIZEOF(unsigned short, 2) AC_CHECK_SIZEOF(void *, 4) dnl ** what are alignment constraints on various types FPTOOLS_CHECK_ALIGNMENT(char) FPTOOLS_CHECK_ALIGNMENT(double) FPTOOLS_CHECK_ALIGNMENT(float) FPTOOLS_CHECK_ALIGNMENT(int) FPTOOLS_CHECK_ALIGNMENT(long) if test "$fptools_cv_have_long_long" = yes; then FPTOOLS_CHECK_ALIGNMENT(long long) fi FPTOOLS_CHECK_ALIGNMENT(short) FPTOOLS_CHECK_ALIGNMENT(unsigned char) FPTOOLS_CHECK_ALIGNMENT(unsigned int) FPTOOLS_CHECK_ALIGNMENT(unsigned long) if test "$fptools_cv_have_long_long" = yes; then FPTOOLS_CHECK_ALIGNMENT(unsigned long long) fi FPTOOLS_CHECK_ALIGNMENT(unsigned short) FPTOOLS_CHECK_ALIGNMENT(void *) dnl ** map standard C types and ISO types to Haskell types FPTOOLS_CHECK_HTYPE(char) FPTOOLS_CHECK_HTYPE(signed char) FPTOOLS_CHECK_HTYPE(unsigned char) FPTOOLS_CHECK_HTYPE(short) FPTOOLS_CHECK_HTYPE(unsigned short) FPTOOLS_CHECK_HTYPE(int) FPTOOLS_CHECK_HTYPE(unsigned int) FPTOOLS_CHECK_HTYPE(long) FPTOOLS_CHECK_HTYPE(unsigned long) if test "$fptools_cv_have_long_long" = yes; then FPTOOLS_CHECK_HTYPE(long long) FPTOOLS_CHECK_HTYPE(unsigned long long) fi FPTOOLS_CHECK_HTYPE(float) FPTOOLS_CHECK_HTYPE(double) FPTOOLS_CHECK_HTYPE(ptrdiff_t) FPTOOLS_CHECK_HTYPE(size_t) FPTOOLS_CHECK_HTYPE(wchar_t) dnl Int32 is a HACK for non-ISO C compilers FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32) FPTOOLS_CHECK_HTYPE(clock_t) FPTOOLS_CHECK_HTYPE(time_t) FPTOOLS_CHECK_HTYPE(dev_t, Word32) FPTOOLS_CHECK_HTYPE(ino_t) FPTOOLS_CHECK_HTYPE(mode_t) FPTOOLS_CHECK_HTYPE(off_t) FPTOOLS_CHECK_HTYPE(pid_t) FPTOOLS_CHECK_HTYPE(gid_t) FPTOOLS_CHECK_HTYPE(uid_t) FPTOOLS_CHECK_HTYPE(cc_t) FPTOOLS_CHECK_HTYPE(speed_t) FPTOOLS_CHECK_HTYPE(tcflag_t) FPTOOLS_CHECK_HTYPE(blkcnt_t) FPTOOLS_CHECK_HTYPE(nlink_t) FPTOOLS_CHECK_HTYPE(ssize_t) FPTOOLS_CHECK_HTYPE(rlim_t) dnl ** Map OpenGL data types to Haskell types if test $GhcLibsWithHOpenGL = YES ; then FPTOOLS_CHECK_HTYPE(GLboolean) FPTOOLS_CHECK_HTYPE(GLbyte) FPTOOLS_CHECK_HTYPE(GLubyte) FPTOOLS_CHECK_HTYPE(GLshort) FPTOOLS_CHECK_HTYPE(GLushort) FPTOOLS_CHECK_HTYPE(GLint) FPTOOLS_CHECK_HTYPE(GLuint) FPTOOLS_CHECK_HTYPE(GLsizei) FPTOOLS_CHECK_HTYPE(GLenum) FPTOOLS_CHECK_HTYPE(GLbitfield) FPTOOLS_CHECK_HTYPE(GLfloat) FPTOOLS_CHECK_HTYPE(GLclampf) FPTOOLS_CHECK_HTYPE(GLdouble) FPTOOLS_CHECK_HTYPE(GLclampd) fi FPTOOLS_CHECK_CCONSTS(E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV) dnl ** can we open files in binary mode? FPTOOLS_O_BINARY dnl ** check for GetModuleFileName and WinExec (windows only) dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName) dnl Windows dnl Doesn't work because the linker can't see the functions if dnl you omit the #include . (I've no idea why not...) FPTOOLS_TRY_LINK_NOWARN(,[ #if HAVE_WINDOWS_H #include #endif main() { WinExec("",0); exit(0); } ], [have_winexec=1], [have_winexec=0]) if test "$have_winexec" = "1"; then AC_DEFINE(HAVE_WINEXEC) fi FPTOOLS_TRY_LINK_NOWARN(,[ #if HAVE_WINDOWS_H #include #endif main() { char* dir; GetModuleFileName((HMODULE)0,dir,0); exit(0); } ], [have_getmodulefilename=1], [have_getmodulefilename=0]) if test "$have_getmodulefilename" = "1"; then AC_DEFINE(HAVE_GETMODULEFILENAME) fi dnl ** check return type of signal handlers dnl Foo: assumes we can use prototypes. dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)". dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler, dnl [AC_TRY_COMPILE([#include dnl #include dnl #ifdef signal dnl #undef signal dnl #endif dnl void (*signal (int, void (*)(int)))(int); dnl ], dnl [int i;], dnl ac_cv_type_signal_handler=void_int, dnl ac_cv_type_signal_handler=int_void)]) dnl if test "$ac_cv_type_signal_handler" = void_int; then dnl AC_DEFINE(VOID_INT_SIGNALS) dnl fi dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)". AC_TYPE_SIGNAL if test "$ac_cv_type_signal" = void; then AC_DEFINE(VOID_INT_SIGNALS) fi dnl ** check for more functions AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi) AC_CHECK_FUNCS(strcmp) AC_CHECK_FUNCS(realpath _fullpath) AC_CHECK_FUNCS(PBHSetVolSync macsystem) AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell) AC_CHECK_FUNCS(vsnprintf _vsnprintf) AC_CHECK_FUNCS(snprintf _snprintf ) AC_CHECK_FUNCS(popen _popen ) AC_CHECK_FUNCS(pclose _pclose ) AC_CHECK_FUNCS(setenv unsetenv) dnl ** check for specific library functions that we are interested in AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat symlink sysconf timelocal times vadvise localtime_r gmtime_r readdir_r getgrgid_r getgrnam_r getpwuid_r getpwnam_r) dnl ** Solaris2 needs additionl flag for getpw*_r() case "$TargetPlatform" in *-solaris2*) unix_SRC_HSC2HS_OPTS="-D_POSIX_PTHREAD_SEMANTICS" AC_SUBST(unix_SRC_HSC2HS_OPTS) ;; esac dnl ** check whether this machine has gmp3 installed AC_CHECK_LIB(gmp, __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp, AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp3, HaveLibGmp=NO; LibGmp=not-installed)) AC_SUBST(HaveLibGmp) AC_SUBST(LibGmp) dnl ** (Mac OS X only: check for HaskellSupport.framework) HaveFrameworkHaskellSupport=NO if test $HostPlatform = "powerpc-apple-darwin"; then AC_MSG_CHECKING([for HaskellSupport.framework]) save_libs="$LIBS" LIBS="-framework HaskellSupport" AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,) if test $HaveFrameworkHaskellSupport = YES; then AC_DEFINE(HAVE_FRAMEWORK_HASKELLSUPPORT) fi; LIBS="$save_libs" AC_MSG_RESULT([$HaveFrameworkHaskellSupport]) fi; AC_SUBST(HaveFrameworkHaskellSupport) dnl ** check for mingwex library AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO) AC_SUBST(HaveLibMingwEx) if test $HaveLibMingwEx = YES ; then AC_DEFINE(HAVE_MINGWEX) fi if test "$HaveLibGmp" = "NO"; then if test "$HostArch_CPP" = "ia64"; then AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64).]) fi; fi; dnl ** check whether this machine has GNU regex in libc. FPTOOLS_REGEX_IN_LIBC dnl ** check whether this machine has BFD and liberty installed (used for debugging) dnl the order of these tests matters: bfd needs liberty AC_CHECK_LIB(iberty, xmalloc) AC_CHECK_LIB(bfd, bfd_init) dnl ** check for readline, for Hugs and hslibs' Readline dnl ncurses supersedes termcap and curses, but for compatibility, dnl we have to check for all... AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses, AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap, AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses, HaveLibTermcap=NO; LibTermcap=not-installed))) if test $HaveLibTermcap = YES ; then LIBS="-l$LibTermcap $LIBS" AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO) fi if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then AC_DEFINE(HAVE_READLINE_LIBS,1) LibsReadline="readline $LibTermcap" else AC_DEFINE(HAVE_READLINE_LIBS,0) LibsReadline= fi AC_SUBST(LibsReadline) if test "$HaveLibReadline"; then AC_CHECK_LIB(readline, rl_erase_empty_line, [AC_DEFINE(HAVE_READLINE_4, 1)], [AC_DEFINE(HAVE_READLINE_4, 0)]) AC_CHECK_LIB(readline, rl_free_undo_list, [AC_DEFINE(HAVE_READLINE_4_2, 1)], [AC_DEFINE(HAVE_READLINE_4_2, 0)]) else AC_DEFINE(HAVE_READLINE_4, 0) AC_DEFINE(HAVE_READLINE_4_2, 0) fi dnl ** check for math library FPTOOLS_CHECK_LIBM() AC_SUBST(LIBM) dnl ** check for X Window System AC_PATH_XTRA() dnl ** check for OpenGL/GLUT/GLX include paths and libraries if test $GhcLibsWithHOpenGL = YES ; then FPTOOLS_HAVE_OPENGL fi dnl ################################################################ dnl Check for libraries dnl ################################################################ dnl ** check for libdl & RTLD_NEXT dnl (Mac OS X only) ... but don't check if we already have the dnl HaskellSupport.framework if test $HaveFrameworkHaskellSupport = YES; then HaveLibDL=NO HaveRtldNext=NO HaveRtldLocal=YES AC_DEFINE(HAVE_RTLDLOCAL) HaveRtldGlobal=YES AC_DEFINE(HAVE_RTLDGLOBAL) HaveRtldNow=YES AC_DEFINE(HAVE_RTLDNOW) AC_SUBST(HaveLibDL) AC_SUBST(HaveRtldNext) AC_SUBST(HaveRtldLocal) AC_SUBST(HaveRtldGlobal) AC_SUBST(HaveRtldNow) else AC_CHECK_LIB(dl, dlopen, [HaveLibDL=YES AC_DEFINE(HAVE_LIBDL) LIBS="$LIBS -ldl"], [HaveLibDL=NO]) AC_CHECK_FUNCS(dlopen) AC_SUBST(HaveLibDL) dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h) AC_EGREP_CPP(yes, [ #include #ifdef RTLD_NEXT yes #endif ], [ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_RTLDNEXT) HaveRtldNext=YES ], [ AC_MSG_RESULT(no) HaveRtldNext=NO ]) AC_SUBST(HaveRtldNext) dnl ** RTLD_LOCAL isn't available on cygwin or openbsd AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h) AC_EGREP_CPP(yes, [ #include #ifdef RTLD_LOCAL yes #endif ], [ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_RTLDLOCAL) HaveRtldLocal=YES ], [ AC_MSG_RESULT(no) HaveRtldLocal=NO ]) AC_SUBST(HaveRtldLocal) dnl ** RTLD_GLOBAL isn't available on openbsd AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h) AC_EGREP_CPP(yes, [ #include #ifdef RTLD_GLOBAL yes #endif ], [ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_RTLDGLOBAL) HaveRtldGlobal=YES ], [ AC_MSG_RESULT(no) HaveRtldGlobal=NO ]) AC_SUBST(HaveRtldGlobal) dnl ** RTLD_NOW isn't available on openbsd AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h) AC_EGREP_CPP(yes, [ #include #ifdef RTLD_NOW yes #endif ], [ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_RTLDNOW) HaveRtldNow=YES ], [ AC_MSG_RESULT(no) HaveRtldNow=NO ]) AC_SUBST(HaveRtldNow) fi FPTOOLS_CHECK_LIB_NOWARN(m, atan) dnl ---------- usleep ---------- dnl --- stolen from guile configure --- dnl --- FIXME: /usr/include/unistd.h can't be right? ### On some systems usleep has no return value. If it does have one, ### we'd like to return it; otherwise, we'll fake it. AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type, [AC_EGREP_HEADER(changequote(<, >)changequote([, ]), /usr/include/unistd.h, [cv_func_usleep_return_type=void], [cv_func_usleep_return_type=int])]) case "$cv_func_usleep_return_type" in "void" ) AC_DEFINE(USLEEP_RETURNS_VOID, 1, [Define if the system headers declare usleep to return void.]) ;; esac dnl -------------------------------------------------- dnl * test for in_addr_t dnl -------------------------------------------------- AC_MSG_CHECKING(for in_addr_t in netinet/in.h) AC_EGREP_HEADER(in_addr_t, netinet/in.h, [ AC_DEFINE(HAVE_IN_ADDR_T) AC_MSG_RESULT(yes) ], AC_MSG_RESULT(no)) dnl -------------------------------------------------- dnl * test for Linux sendfile(2) dnl -------------------------------------------------- AC_MSG_CHECKING(for sendfile in sys/sendfile.h) AC_EGREP_HEADER(sendfile, sys/sendfile.h, [ AC_DEFINE(HAVE_LINUX_SENDFILE) AC_MSG_RESULT(yes) ], AC_MSG_RESULT(no)) dnl -------------------------------------------------- dnl * test for BSD sendfile(2) dnl -------------------------------------------------- AC_MSG_CHECKING(for sendfile in sys/socket.h) AC_EGREP_HEADER(sendfile, sys/socket.h, [ AC_DEFINE(HAVE_BSD_SENDFILE) AC_MSG_RESULT(yes) ], AC_MSG_RESULT(no)) dnl -------------------------------------------------- dnl * test for GTK+ dnl -------------------------------------------------- AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config) if test "$GTK_CONFIG" != ""; then AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [ fptools_cv_gtk_version=`$GTK_CONFIG --version` ]) GTK_VERSION=$fptools_cv_gtk_version else GTK_VERSION= fi case $fptools_cv_gtk_version in 1.[[23]].*) ;; *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2]) GTK_CONFIG= ;; esac AC_SUBST(GTK_CONFIG) AC_SUBST(GTK_VERSION) dnl -------------------------------------------------- dnl * Miscellaneous feature tests dnl -------------------------------------------------- dnl ** can we get alloca? AC_FUNC_ALLOCA dnl ** Working vfork? AC_FUNC_VFORK dnl ** determine whether or not const works AC_C_CONST dnl ** determine whether ANSI-function prototypes work? AC_C_PROTOTYPES dnl ** are we big endian? AC_C_BIGENDIAN dnl ** check for leading underscores in symbol names FPTOOLS_UNDERSCORE dnl ** check for ld, and whether ld has -x option AC_PATH_PROG(LdCmdRaw, ld) case $HostOS_CPP in mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' ` ;; *) LdCmd=${LdCmdRaw} ;; esac AC_SUBST(LdCmd) FPTOOLS_LD_X AC_MSG_CHECKING([for SIGPOLL]) AC_EGREP_CPP(we_have_sigpoll, [#include #ifdef SIGPOLL we_have_sigpoll #endif ], AC_DEFINE(HAVE_SIGPOLL) haveSIGPOLL=yes, haveSIGPOLL=no) AC_MSG_RESULT([$haveSIGPOLL]) AC_MSG_CHECKING([for _SC_GETGR_R_SIZE_MAX]) AC_EGREP_CPP(we_have_that_sysconf_thing, [ #include #ifdef _SC_GETGR_R_SIZE_MAX we_have_that_sysconf_thing #endif ], [AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_SC_GETGR_R_SIZE_MAX)], [AC_MSG_RESULT([no])]) AC_MSG_CHECKING([for _SC_GETPW_R_SIZE_MAX]) AC_EGREP_CPP(we_have_that_sysconf_thing, [ #include #ifdef _SC_GETPW_R_SIZE_MAX we_have_that_sysconf_thing #endif ], [AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_SC_GETPW_R_SIZE_MAX)], [AC_MSG_RESULT([no])]) AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )