dnl == autoconf source for the Glasgow FP tools == dnl (run "grep '^dnl \*' configure.ac | sed -e 's/dnl / /g; s/\*\*/ +/g;'" dnl (or some such) to see the outline of this file) dnl # # (c) The University of Glasgow 1994-2012 # # Configure script template for GHC # # Process with 'autoreconf' 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!) # AC_INIT([The Glorious Glasgow Haskell Compilation System], [7.7], [glasgow-haskell-bugs@haskell.org], [ghc]) # Set this to YES for a released version, otherwise NO : ${RELEASE=NO} # The primary version (e.g. 7.5, 7.4.1) is set in the AC_INIT line # above. If this is not a released version, then we will append the # date to the version number (e.g. 7.4.20111220). The date is # constructed by finding the date of the most recent patch in the # git repository. If this is a source distribution (not a git # checkout), then we ship a file 'VERSION' containing the full version # when the source distribution was created. if test ! -f mk/config.h.in; then echo "mk/config.h.in doesn't exist: perhaps you haven't run 'perl boot'?" exit 1 fi AC_SUBST([CONFIGURE_ARGS], [$ac_configure_args]) dnl ---------------------------------------------------------- dnl ** Find unixy sort and find commands, dnl ** which are needed by FP_SETUP_PROJECT_VERSION dnl ** Find find command (for Win32's benefit) FP_PROG_FIND FP_PROG_SORT dnl ---------------------------------------------------------- FP_SETUP_PROJECT_VERSION # Hmmm, we fix the RPM release number to 1 here... Is this convenient? AC_SUBST([release], [1]) # First off, a distrib sanity check.. AC_CONFIG_SRCDIR([mk/config.mk.in]) dnl * We require autoconf version 2.60 dnl We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE. dnl We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH. dnl Using autoconf 2.59 started to give nonsense like this dnl #define SIZEOF_CHAR 0 dnl recently. AC_PREREQ([2.60]) # ------------------------------------------------------------------------- # Prepare to generate the following header files # # AC_CONFIG_HEADER(mk/config.h) # No, semi-sadly, we don't do `--srcdir'... if test x"$srcdir" != 'x.' ; then echo "This configuration does not support the \`--srcdir' option.." exit 1 fi dnl -------------------------------------------------------------- dnl * Project specific configuration options dnl -------------------------------------------------------------- dnl What follows is a bunch of options that can either be configured dnl through command line options to the configure script or by dnl supplying defns in the build tree's mk/build.mk. Having the option to dnl use either is considered a Feature. dnl ** What command to use to compile compiler sources ? dnl -------------------------------------------------------------- AC_ARG_WITH([ghc], [AC_HELP_STRING([--with-ghc=ARG], [Use ARG as the path to GHC [default=autodetect]])], [WithGhc="$withval"], [if test "$GHC" = ""; then AC_PATH_PROG([GHC], [ghc]) fi WithGhc="$GHC"]) dnl ** Tell the make system which OS we are using dnl $OSTYPE is set by the operating system to "msys" or "cygwin" or something AC_SUBST(OSTYPE) AC_ARG_ENABLE(bootstrap-with-devel-snapshot, [AC_HELP_STRING([--enable-bootstrap-with-devel-snapshot], [Allow bootstrapping using a development snapshot of GHC. This is not guaranteed to work.])], EnableBootstrapWithDevelSnaphost=YES, EnableBootstrapWithDevelSnaphost=NO ) if test "$WithGhc" != ""; then FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl if test "$GhcMajVersion" = "unknown" -o "$GhcMinVersion" = "unknown"; then AC_MSG_ERROR([Cannot determine the version of $WithGhc. Is it really GHC?]) fi AC_SUBST(GhcVersion)dnl AC_SUBST(GhcMajVersion)dnl AC_SUBST(GhcMinVersion)dnl AC_SUBST(GhcPatchLevel)dnl GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'` GhcCanonVersion="$GhcMajVersion$GhcMinVersion2" BOOTSTRAPPING_GHC_INFO_FIELD([OS_STAGE0],[target os]) BOOTSTRAPPING_GHC_INFO_FIELD([CC_STAGE0],[C compiler command]) dnl ToDo, once "ld command" is reliably available. dnl Then, we can remove the LD_STAGE0 hack in mk/build-package-date.mk dnl BOOTSTRAPPING_GHC_INFO_FIELD([LD_STAGE0],[ld command]) if test "x$OS_STAGE0" != "xOSDarwin"; then BOOTSTRAPPING_GHC_INFO_FIELD([AR_STAGE0],[ar command]) BOOTSTRAPPING_GHC_INFO_FIELD([AR_OPTS_STAGE0],[ar flags]) BOOTSTRAPPING_GHC_INFO_FIELD([ArSupportsAtFile_STAGE0],[ar supports at file]) else AR_STAGE0='$(AR)' AR_OPTS_STAGE0='$(AR_OPTS)' ArSupportsAtFile_STAGE0='$(ArSupportsAtFile)' fi fi dnl ** Must have GHC to build GHC if test "$WithGhc" = "" then AC_MSG_ERROR([GHC is required.]) fi FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[7.4], [AC_MSG_ERROR([GHC version 7.4 or later is required to compile GHC.])])dnl if test `expr $GhcMinVersion % 2` = "1" then if test "$EnableBootstrapWithDevelSnaphost" = "NO" then AC_MSG_ERROR([ $WithGhc is a development snapshot of GHC, version $GhcVersion. Bootstrapping using this version of GHC is not supported, and may not work. Use --enable-bootstrap-with-devel-snapshot to try it anyway, or --with-ghc to specify a different GHC to use.]) fi fi FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[7.5], GHC_PACKAGE_DB_FLAG=package-conf, GHC_PACKAGE_DB_FLAG=package-db) AC_SUBST(GHC_PACKAGE_DB_FLAG) # GHC is passed to Cabal, so we need a native path if test "${WithGhc}" != "" then ghc_host_os=`"${WithGhc}" +RTS --info | grep 'Host OS' | sed -e 's/.*, "//' -e 's/")//'` if test "$ghc_host_os" = "mingw32" then if test "${OSTYPE}" = "msys" then WithGhc=`echo "${WithGhc}" | sed "s#^/\([a-zA-Z]\)/#\1:/#"` else # Canonicalise to :/path/to/ghc WithGhc=`cygpath -m "${WithGhc}"` fi echo "GHC path canonicalised to: ${WithGhc}" fi fi AC_SUBST([WithGhc]) dnl ** Without optimization some INLINE trickery fails for GHCi SRC_CC_OPTS="-O" dnl-------------------------------------------------------------------- dnl * Choose host(/target/build) platform dnl-------------------------------------------------------------------- dnl If we aren't explicitly told what values to use with configure flags, dnl we ask the bootstrapping compiler what platform it is for if test "${WithGhc}" != "" then bootstrap_host=`"${WithGhc}" +RTS --info | grep '^ ,("Host platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'` bootstrap_target=`"${WithGhc}" +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'` if test "$bootstrap_host" != "$bootstrap_target" then echo "Bootstrapping GHC is a cross compiler. This probably isn't going to work" fi fi # We have to run these unconditionally, but we may discard their # results in the following code AC_CANONICAL_BUILD AC_CANONICAL_HOST AC_CANONICAL_TARGET FPTOOLS_SET_PLATFORM_VARS # Verify that the installed (bootstrap) GHC is capable of generating # code for the requested build platform. if test "$BuildPlatform" != "$bootstrap_target" then echo "This GHC (${WithGhc}) does not generate code for the build platform" echo " GHC target platform : $bootstrap_target" echo " Desired build platform : $BuildPlatform" exit 1 fi # Testing if we shall enable shared libs support on Solaris. # Anything older than SunOS 5.11 aka Solaris 11 (Express) is broken. SOLARIS_BROKEN_SHLD=NO case $host in i386-*-solaris2) # here we go with the test MINOR=`uname -r|cut -d '.' -f 2-` if test "$MINOR" -lt "11"; then SOLARIS_BROKEN_SHLD=YES fi ;; esac AC_SUBST(SOLARIS_BROKEN_SHLD) dnl ** Do an unregisterised build? dnl -------------------------------------------------------------- case "$HostArch" in i386|x86_64|powerpc|arm) UnregisterisedDefault=NO ;; *) UnregisterisedDefault=YES ;; esac AC_ARG_ENABLE(unregisterised, [AC_HELP_STRING([--enable-unregisterised], [Build an unregisterised compiler (enabled by default on platforms without registerised support) [default="$UnregisterisedDefault"]])], [ if test x"$enableval" = x"yes"; then Unregisterised=YES else Unregisterised=NO fi ], [Unregisterised="$UnregisterisedDefault"] ) AC_SUBST(Unregisterised) AC_ARG_WITH(hc, [AC_HELP_STRING([--with-hc=ARG], [Use ARG as the path to the compiler for compiling ordinary Haskell code (default= value of --with-ghc)])], [WithHc="$withval"], [WithHc=$WithGhc] ) AC_SUBST(WithHc) # This uses GHC, so put it after the "GHC is required" check above: FP_INTREE_GHC_PWD FP_FIND_ROOT if test "$HostOS" = "mingw32" then test -d inplace || mkdir inplace if test "$HostArch" = "i386" then # NB. If you update the tarballs to a new version of gcc, don't # forget to tweak the paths in driver/gcc/gcc.c. if ! test -d inplace/mingw || test inplace/mingw -ot ghc-tarballs/mingw/binutils*.tar.lzma || test inplace/mingw -ot ghc-tarballs/mingw/gcc-core*.tar.lzma || test inplace/mingw -ot ghc-tarballs/mingw/gcc-c++*.tar.lzma || test inplace/mingw -ot ghc-tarballs/mingw/libgcc*.tar.gz || test inplace/mingw -ot ghc-tarballs/mingw/libgmp*.tar.gz || test inplace/mingw -ot ghc-tarballs/mingw/libmpc*.tar.gz || test inplace/mingw -ot ghc-tarballs/mingw/libmpfr*.tar.gz || test inplace/mingw -ot ghc-tarballs/mingw/libstdc*.tar.lzma || test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dev.tar.gz || test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dll.tar.gz || test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.lzma then AC_MSG_NOTICE([Making in-tree mingw tree]) rm -rf inplace/mingw mkdir inplace/mingw ( cd inplace/mingw && tar --lzma -xf ../../ghc-tarballs/mingw/binutils*.tar.lzma && tar --lzma -xf ../../ghc-tarballs/mingw/gcc-core*.tar.lzma && tar --lzma -xf ../../ghc-tarballs/mingw/gcc-c++*.tar.lzma && tar --lzma -xf ../../ghc-tarballs/mingw/libgcc*.tar.lzma && tar --lzma -xf ../../ghc-tarballs/mingw/libgmp*.tar.lzma && tar --lzma -xf ../../ghc-tarballs/mingw/libmpc*.tar.lzma && tar --lzma -xf ../../ghc-tarballs/mingw/libmpfr*.tar.lzma && tar --lzma -xf ../../ghc-tarballs/mingw/libstdc*.tar.lzma && tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dev.tar.gz && tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dll.tar.gz && tar --lzma -xf ../../ghc-tarballs/mingw/w32api*.tar.lzma && mv bin/gcc.exe bin/realgcc.exe ) PATH=`pwd`/inplace/mingw/bin:$PATH inplace/mingw/bin/realgcc.exe driver/gcc/gcc.c driver/utils/cwrapper.c driver/utils/getLocation.c -Idriver/utils -o inplace/mingw/bin/gcc.exe AC_MSG_NOTICE([In-tree mingw tree created]) fi else # NB. If you update the tarballs to a new version of gcc, don't # forget to tweak the paths in driver/gcc/gcc.c. if ! test -d inplace/mingw || test inplace/mingw -ot ghc-tarballs/mingw64/*.tar.bz2 then AC_MSG_NOTICE([Making in-tree mingw tree]) rm -rf inplace/mingw mkdir inplace/mingw ( cd inplace/mingw && tar -jxf ../../ghc-tarballs/mingw64/*.tar.bz2 ) AC_MSG_NOTICE([In-tree mingw tree created]) fi fi mingwbin="$hardtop/inplace/mingw/bin/" CC="${mingwbin}gcc.exe" LD="${mingwbin}ld.exe" NM="${mingwbin}nm.exe" OBJDUMP="${mingwbin}objdump.exe" fp_prog_ar="${mingwbin}ar.exe" if ! test -d inplace/perl || test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz then AC_MSG_NOTICE([Making in-tree perl tree]) rm -rf inplace/perl mkdir inplace/perl ( cd inplace/perl && tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz ) AC_MSG_NOTICE([In-tree perl tree created]) fi fi # system libffi AC_ARG_WITH([system-libffi], [AC_HELP_STRING([--with-system-libffi], [Use system provided libffi for RTS [default=no]]) ]) AS_IF([test "x$with_system_libffi" = "xyes"], [UseSystemLibFFI="YES"], [UseSystemLibFFI="NO"] ) AC_SUBST(UseSystemLibFFI) AC_ARG_WITH([ffi-includes], [AC_HELP_STRING([--with-ffi-includes=ARG] [Find includes for libffi in ARG [default=system default]]) ], [ if test "x$UseSystemLibFFI" != "xYES"; then AC_MSG_WARN([--with-ffi-includes will be ignored, --with-system-libffi not set]) else FFIIncludeDir="$withval" LIBFFI_CFLAGS="-I $withval" fi ]) AC_SUBST(FFIIncludeDir) AC_ARG_WITH([ffi-libraries], [AC_HELP_STRING([--with-ffi-libraries=ARG] [Find libffi in ARG [default=system default]]) ], [ if test "x$UseSystemLibFFI" != "xYES"; then AC_MSG_WARN([--with-ffi-libraries will be ignored, --with-system-libffi not set]) else FFILibDir="$withval" LIBFFI_LDFLAGS="-L$withval" fi ]) AC_SUBST(FFILibDir) AS_IF([test "$UseSystemLibFFI" = "YES"], [ CFLAGS2="$CFLAGS" CFLAGS="$LIBFFI_CFLAGS $CFLAGS" LDFLAGS2="$LDFLAGS" LDFLAGS="$LIBFFI_LDFLAGS $LDFLAGS" AC_CHECK_LIB(ffi, ffi_call, [AC_CHECK_HEADERS([ffi.h], [break], []) AC_DEFINE([HAVE_LIBFFI], [1], [Define to 1 if you have libffi.])], [AC_MSG_ERROR([Cannot find system libffi])]) CFLAGS="$CFLAGS2" LDFLAGS="$LDFLAGS2" ]) FP_ICONV FP_GMP XCODE_VERSION() SplitObjsBroken=NO if test "$TargetOS_CPP" = "darwin" then # Split objects is broken (#4013) with XCode < 3.2 if test "$XCodeVersion1" -lt 3 then SplitObjsBroken=YES else if test "$XCodeVersion1" -eq 3 then if test "$XCodeVersion2" -lt 2 then SplitObjsBroken=YES fi fi fi fi AC_SUBST([SplitObjsBroken]) dnl ** Building a cross compiler? dnl -------------------------------------------------------------- CrossCompiling=NO # If 'host' and 'target' differ, then this means we are building a cross-compiler. if test "$target" != "$host" ; then CrossCompiling=YES cross_compiling=yes # This tells configure that it can accept just 'target', # otherwise you get # configure: error: cannot run C compiled programs. # If you meant to cross compile, use `--host'. fi if test "$build" != "$host" ; then AC_MSG_ERROR([ You've selected: BUILD: $build (the architecture we're building on) HOST: $host (the architecture the compiler we're building will execute on) TARGET: $target (the architecture the compiler we're building will produce code for) BUILD must equal HOST; that is, we do not support building GHC itself with a cross-compiler. To cross-compile GHC itself, set TARGET: stage 1 will be a cross-compiler, and stage 2 will be the cross-compiled GHC. ]) fi if test "$CrossCompiling" = "YES" then CrossCompilePrefix="${target}-" else CrossCompilePrefix="" fi TargetPlatformFull="${target}" AC_SUBST(CrossCompiling) AC_SUBST(CrossCompilePrefix) AC_SUBST(TargetPlatformFull) dnl ** Which gcc to use? dnl -------------------------------------------------------------- FIND_GCC([WhatGccIsCalled], [gcc], [gcc]) CC="$WhatGccIsCalled" export CC dnl ** Which ld to use? dnl -------------------------------------------------------------- FP_ARG_WITH_PATH_GNU_PROG([LD], [ld], [ld]) LdCmd="$LD" AC_SUBST([LdCmd]) dnl ** Which nm to use? dnl -------------------------------------------------------------- FP_ARG_WITH_PATH_GNU_PROG([NM], [nm], [nm]) NmCmd="$NM" AC_SUBST([NmCmd]) # Note: we may not have objdump on OS X, and we only need it on Windows (for DLL checks) case $HostOS_CPP in cygwin32|mingw32) dnl ** Which objdump to use? dnl -------------------------------------------------------------- FP_ARG_WITH_PATH_GNU_PROG([OBJDUMP], [objdump], [objdump]) ObjdumpCmd="$OBJDUMP" AC_SUBST([ObjdumpCmd]) ;; esac dnl ** Which LLVM llc to use? dnl -------------------------------------------------------------- FIND_LLVM_PROG([LLC], [llc], [llc]) LlcCmd="$LLC" AC_SUBST([LlcCmd]) dnl ** Which LLVM opt to use? dnl -------------------------------------------------------------- FIND_LLVM_PROG([OPT], [opt], [opt]) OptCmd="$OPT" AC_SUBST([OptCmd]) dnl -------------------------------------------------------------- dnl End of configure script option section dnl -------------------------------------------------------------- dnl -------------------------------------------------------------- dnl * General configuration checks dnl -------------------------------------------------------------- dnl ** Can the unix package be built? dnl -------------------------------------------------------------- if test "$TargetOS" = "mingw32" then GhcLibsWithUnix=NO else GhcLibsWithUnix=YES fi AC_SUBST([GhcLibsWithUnix]) dnl ** does #! work? AC_SYS_INTERPRETER() dnl ** look for `perl' case $HostOS_CPP in cygwin32|mingw32) PerlCmd=$hardtop/inplace/perl/perl ;; *) 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 ** 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 3.0 dnl FP_GCC_VERSION dnl ** look to see if we have a C compiler using an llvm back end. dnl FP_CC_LLVM_BACKEND FP_PROG_LD_HashSize31 FP_PROG_LD_ReduceMemoryOverheads FP_PROG_LD_IS_GNU FP_PROG_LD_BUILD_ID FP_PROG_LD_NO_COMPACT_UNWIND FP_PROG_LD_FILELIST FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS],[IGNORE_LINKER_LD_FLAGS],[CPPFLAGS]) FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_GCC_LINKER_OPTS_STAGE0],[CONF_LD_LINKER_OPTS_STAGE0],[CONF_CPP_OPTS_STAGE0]) FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_GCC_LINKER_OPTS_STAGE1],[CONF_LD_LINKER_OPTS_STAGE1],[CONF_CPP_OPTS_STAGE1]) # Stage 3 won't be supported by cross-compilation FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_GCC_LINKER_OPTS_STAGE2],[CONF_LD_LINKER_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2]) FP_GCC_EXTRA_FLAGS dnl ** figure out how to invoke cpp directly (gcc -E is no good) AC_PROG_CPP AC_SUBST(CONF_CC_OPTS_STAGE0) AC_SUBST(CONF_CC_OPTS_STAGE1) AC_SUBST(CONF_CC_OPTS_STAGE2) AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE0) AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE1) AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE2) AC_SUBST(CONF_LD_LINKER_OPTS_STAGE0) AC_SUBST(CONF_LD_LINKER_OPTS_STAGE1) AC_SUBST(CONF_LD_LINKER_OPTS_STAGE2) AC_SUBST(CONF_CPP_OPTS_STAGE0) AC_SUBST(CONF_CPP_OPTS_STAGE1) AC_SUBST(CONF_CPP_OPTS_STAGE2) dnl ** Set up the variables for the platform in the settings file. dnl May need to use gcc to find platform details. dnl -------------------------------------------------------------- FPTOOLS_SET_HASKELL_PLATFORM_VARS dnl ** figure out how to do context diffs FP_PROG_CONTEXT_DIFF dnl Let's make sure install-sh is executable here. If we got it from dnl a darcs repo, it might not be (see bug #978). chmod +x install-sh 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], [1], [Define to 1 if you have /bin/sh.]) dnl ** how to invoke `ar' and `ranlib' FP_PROG_AR_SUPPORTS_ATFILE FP_PROG_AR_NEEDS_RANLIB dnl ** Check to see whether ln -s works AC_PROG_LN_S FP_SETTINGS dnl ** Find the path to sed AC_PATH_PROGS(SedCmd,gsed sed,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,gnutar gtar tar,tar) dnl ** check for patch dnl if GNU patch is named gpatch, look for it first AC_PATH_PROGS(PatchCmd,gpatch patch, patch) dnl ** check for dtrace (currently only implemented for Mac OS X) HaveDtrace=NO AC_PATH_PROG(DtraceCmd,dtrace) if test -n "$DtraceCmd"; then if test "x$TargetOS_CPP-$TargetVendor_CPP" = "xdarwin-apple" -o "x$TargetOS_CPP-$TargetVendor_CPP" = "xsolaris2-unknown"; then HaveDtrace=YES fi fi AC_SUBST(HaveDtrace) AC_PATH_PROG(HSCOLOUR,HsColour) # HsColour is passed to Cabal, so we need a native path if test "$HostOS" = "mingw32" && \ test "${OSTYPE}" != "msys" && \ test "${HSCOLOUR}" != "" then # Canonicalise to :/path/to/gcc HSCOLOUR=`cygpath -m ${HSCOLOUR}` fi dnl ** check for DocBook toolchain FP_CHECK_DOCBOOK_DTD FP_DOCBOOK_XSL FP_PROG_DBLATEX dnl ** check for ghc-pkg command FP_PROG_GHC_PKG dnl ** check for installed happy binary + version FPTOOLS_HAPPY dnl ** check for installed alex binary + version FPTOOLS_ALEX dnl -------------------------------------------------- dnl ### program checking section ends here ### dnl -------------------------------------------------- dnl -------------------------------------------------- dnl * Platform header file and syscall feature tests dnl ### checking the state of the local header files and syscalls ### dnl ** check for full ANSI header (.h) files AC_HEADER_STDC dnl ** Enable large file support. NB. do this before testing the type of dnl off_t, because it will affect the result of that test. AC_SYS_LARGEFILE dnl ** check for specific header (.h) files that we are interested in AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/param.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h]) dnl sys/cpuset.h needs sys/param.h to be included first on FreeBSD 9.1; #7708 AC_CHECK_HEADERS([sys/cpuset.h], [], [], [[#if HAVE_SYS_PARAM_H # include #endif ]]) dnl ** check if it is safe to include both and AC_HEADER_TIME dnl ** do we have long longs? AC_CHECK_TYPES([long long]) dnl ** what are the sizes of various types AC_CHECK_SIZEOF(char, 1) AC_CHECK_SIZEOF(double, 8) AC_CHECK_SIZEOF(float, 4) AC_CHECK_SIZEOF(int, 4) AC_CHECK_SIZEOF(long, 4) if test "$ac_cv_type_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 "$ac_cv_type_long_long" = yes; then AC_CHECK_SIZEOF(unsigned long long, 8) fi AC_CHECK_SIZEOF(unsigned short, 2) AC_CHECK_SIZEOF(void *, 4) dnl for use in settings.in WordSize=$ac_cv_sizeof_void_p AC_SUBST(WordSize) dnl ** what are alignment constraints on various types FP_CHECK_ALIGNMENT(char) FP_CHECK_ALIGNMENT(double) FP_CHECK_ALIGNMENT(float) FP_CHECK_ALIGNMENT(int) FP_CHECK_ALIGNMENT(long) if test "$ac_cv_type_long_long" = yes; then FP_CHECK_ALIGNMENT(long long) fi FP_CHECK_ALIGNMENT(short) FP_CHECK_ALIGNMENT(unsigned char) FP_CHECK_ALIGNMENT(unsigned int) FP_CHECK_ALIGNMENT(unsigned long) if test "$ac_cv_type_long_long" = yes; then FP_CHECK_ALIGNMENT(unsigned long long) fi FP_CHECK_ALIGNMENT(unsigned short) FP_CHECK_ALIGNMENT(void *) FP_CHECK_FUNC([WinExec], [@%:@include ], [WinExec("",0)]) FP_CHECK_FUNC([GetModuleFileName], [@%:@include ], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)]) 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_COMPILE_IFELSE([AC_LANG_PROGRAM([[#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], [1], [Define to 1 if signal handlers have type void (*)(int). Otherwise, they're assumed to have type int (*)(void).]) fi dnl ** check for more functions dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too. AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale]) dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if dnl ** _POSIX_C_SOURCE is defined AC_CHECK_DECLS([ctime_r], , , [#define _POSIX_SOURCE 1 #define _POSIX_C_SOURCE 199506L #include ]) 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], [1], [Define to 1 if you have the mingwex library.]) fi dnl ** check for math library dnl Keep that check as early as possible. dnl as we need to know whether we need libm dnl for math functions or not dnl (see http://hackage.haskell.org/trac/ghc/ticket/3730) AC_CHECK_LIB(m, atan, HaveLibM=YES, HaveLibM=NO) if test $HaveLibM = YES then AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm]) fi dnl ** check whether this machine has BFD and libiberty installed (used for debugging) dnl the order of these tests matters: bfd needs libiberty AC_CHECK_LIB(iberty, xmalloc) AC_CHECK_LIB(bfd, bfd_uncompress_section_contents) dnl ################################################################ dnl Check for libraries dnl ################################################################ dnl ** check whether we need -ldl to get dlopen() AC_CHECK_LIB(dl, dlopen, [HaveLibDL=YES AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().]) LIBS="$LIBS -ldl"], [HaveLibDL=NO]) AC_SUBST(HaveLibDL) dnl -------------------------------------------------- dnl * Miscellaneous feature tests dnl -------------------------------------------------- dnl ** can we get alloca? AC_FUNC_ALLOCA dnl ** working vfork? AC_FUNC_FORK dnl ** determine whether or not const works AC_C_CONST dnl ** are we big endian? AC_C_BIGENDIAN FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN dnl ** check for leading underscores in symbol names FP_LEADING_UNDERSCORE FP_VISIBILITY_HIDDEN dnl ** check for librt AC_CHECK_LIB(rt, clock_gettime) AC_CHECK_FUNCS(clock_gettime timer_settime) FP_CHECK_TIMER_CREATE dnl ** check for Apple's "interesting" long double compatibility scheme AC_MSG_CHECKING(for printf\$LDBLStub) AC_TRY_LINK_FUNC(printf\$LDBLStub, [ AC_MSG_RESULT(yes) AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1], [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).]) ], [ AC_MSG_RESULT(no) AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0], [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).]) ]) dnl ** check for eventfd which is needed by the I/O manager AC_CHECK_HEADERS([sys/eventfd.h]) AC_CHECK_FUNCS([eventfd]) # checking for PAPI AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO) AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO]) AC_SUBST(HavePapiLib) AC_SUBST(HavePapiHeader) AC_CHECK_FUNCS(__mingw_vfprintf) if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then HavePapi=YES else HavePapi=NO fi AC_SUBST(HavePapi) if test "$HAVE_DOCBOOK_XSL" = "NO" || test "$XsltprocCmd" = "" then BUILD_DOCBOOK_HTML=NO else BUILD_DOCBOOK_HTML=YES fi AC_SUBST(BUILD_DOCBOOK_HTML) if test "$DblatexCmd" = "" then BUILD_DOCBOOK_PS=NO BUILD_DOCBOOK_PDF=NO else BUILD_DOCBOOK_PS=YES BUILD_DOCBOOK_PDF=YES fi AC_SUBST(BUILD_DOCBOOK_PS) AC_SUBST(BUILD_DOCBOOK_PDF) LIBRARY_VERSION(base) LIBRARY_VERSION(Cabal, Cabal/Cabal) LIBRARY_VERSION(ghc-prim) LIBRARY_ghc_VERSION="$ProjectVersion" AC_SUBST(LIBRARY_ghc_VERSION) if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them]) fi AC_CONFIG_FILES([mk/config.mk mk/install.mk mk/project.mk compiler/ghc.cabal ghc/ghc-bin.cabal utils/runghc/runghc.cabal ghc.spec settings docs/users_guide/ug-book.xml docs/users_guide/ug-ent.xml docs/index.html libraries/prologue.txt distrib/configure.ac]) AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h]) AC_OUTPUT # We got caught by # http://savannah.gnu.org/bugs/index.php?1516 # $(eval ...) inside conditionals causes errors # with make 3.80, so warn the user if it looks like they're about to # try to use it. # We would use "grep -q" here, but Solaris's grep doesn't support it. checkMake380() { if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null then echo echo "WARNING: It looks like \"$1\" is GNU make 3.80." echo "This version cannot be used to build GHC." echo "Please use GNU make >= 3.81." fi } checkMake380 make checkMake380 gmake echo [" ---------------------------------------------------------------------- Configure completed successfully. Building GHC version : $ProjectVersion Build platform : $BuildPlatform Host platform : $HostPlatform Target platform : $TargetPlatform "] echo ["\ Bootstrapping using : $WithGhc which is version : $GhcVersion "] if test "x$CC_LLVM_BACKEND" = "x1"; then if test "x$CC_CLANG_BACKEND" = "x1"; then CompilerName="clang " else CompilerName="llvm-gcc " fi else CompilerName="gcc " fi echo ["\ Using $CompilerName : $WhatGccIsCalled which is version : $GccVersion Building a cross compiler : $CrossCompiling ld : $LdCmd Happy : $HappyCmd ($HappyVersion) Alex : $AlexCmd ($AlexVersion) Perl : $PerlCmd dblatex : $DblatexCmd xsltproc : $XsltprocCmd Using LLVM tools llc : $LlcCmd opt : $OptCmd"] if test "$HSCOLOUR" = ""; then echo [" HsColour was not found; documentation will not contain source links "] else echo ["\ HsColour : $HSCOLOUR "] fi echo ["\ Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML Building DocBook PS documentation : $BUILD_DOCBOOK_PS Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF"] echo ["---------------------------------------------------------------------- "] echo "\ For a standard build of GHC (fully optimised with profiling), type (g)make. To make changes to the default build configuration, copy the file mk/build.mk.sample to mk/build.mk, and edit the settings in there. For more information on how to configure your GHC build, see http://hackage.haskell.org/trac/ghc/wiki/Building "