[project @ 2000-04-30 01:42:23 by chak]
[ghc-hetmet.git] / configure.in
index 6e174af..42415b5 100644 (file)
@@ -16,6 +16,12 @@ dnl
 # First off, a distrib sanity check..
 AC_INIT(mk/config.mk.in)
 
+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)
+AC_CONFIG_SUBDIRS(ghc)
+
 # -------------------------------------------------------------------------
 # Prepare to generate the following header files
 #
@@ -86,6 +92,24 @@ alpha-dec-osf[[34]]*)
         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
@@ -113,14 +137,14 @@ i[[3456]]86-*-linux*)
         HostVendor_CPP='unknown'
         HostOS_CPP='linux'
         ;;
-i[[3456]]86-*-freebsd3*) # FreeBSD 3.0+ uses ELF
-       HostPlatform=i386-unknown-freebsd3 # hack again
-       TargetPlatform=i386-unknown-freebsd3
-       BuildPlatform=i386-unknown-freebsd3
-        HostPlatform_CPP='i386_unknown_freebsd3'
+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='freebsd3'
+        HostOS_CPP='freebsd'
         ;;
 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
        HostPlatform=i386-unknown-freebsd2 # hack again
@@ -168,6 +192,11 @@ i[[3456]]86-*-mingw32*)
         HostVendor_CPP='unknown'
         HostOS_CPP='mingw32'
        exeext='.exe'
+       # We assume you're using mingw32 via the gcc that comes
+       # with cygwin, and not the native port, so let's augment
+       # the gcc command-line used here with -mno-cygwin to
+       # arrange for good things to happen.
+       CFLAGS="-mno-cygwin $CFLAGS"
         ;;
 m68k-next-nextstep2)
         HostPlatform_CPP='m68k_next_nextstep2'
@@ -293,6 +322,10 @@ dnl AC_SUBST(TargetVendor_CPP)
 
 AC_SUBST(exeext)
 
+AC_PATH_PROG(GHC,ghc)
+AC_PATH_PROGS(NHC,nhc nhc98)
+AC_PATH_PROG(HBC,hbc)
+
 dnl --------------------------------------------------------------
 dnl * Project specific configuration options
 dnl --------------------------------------------------------------
@@ -303,16 +336,16 @@ dnl use either is considered a Feature.
 
 dnl ** What command to use to compile compiler sources ?
 dnl --------------------------------------------------------------
-AC_ARG_WITH(ghc-hc,
-[  --with-ghc-hc=<haskell compiler>
-        Use a command different from 'ghc-2.10' to compile up the GHC compiler sources.
-         (no claims currently made that this will work with a compiler other than a
-          recent version of GHC, but you could always try...)
+AC_ARG_WITH(hc,
+[  --with-hc=<haskell compiler>
+        Use a command different from 'ghc' to compile up Haskell code.
+        (no claims currently made that this will work with a compiler other than a
+         recent version of GHC, but you could always try...)
 ],
-[WithGhcHc="$withval"],
-[WithGhcHc="ghc"]
+[WithHc="$withval"],
+[WithHc=$GHC]
 )
-AC_SUBST(WithGhcHc)
+AC_SUBST(WithHc)
 
 dnl ** Which gcc to use?
 dnl --------------------------------------------------------------
@@ -338,6 +371,30 @@ AC_ARG_ENABLE(hc-boot,
 AC_SUBST(BootingFromHc)
 
 
+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 --------------------------------------------------------------
 dnl End of configure script option section
 dnl --------------------------------------------------------------
@@ -373,11 +430,12 @@ FPTOOLS_HAVE_GCC
 
 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 AC_PROG_CPP
-FPTOOLS_PROG_GNUCPP
 
 dnl ** figure out how to do context diffs
 FPTOOLS_PROG_DIFF
 
+dnl ** Find find command (for Win32's benefit)
+AC_PATH_PROG(FindCmd, find)
 
 dnl ** look for a decent parser generator (bison preferred)
 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing 
@@ -446,7 +504,19 @@ dnl ** check for full ANSI header (.h) files
 AC_HEADER_STDC
 
 dnl ** check for specific header (.h) files that we are interested in
-AC_CHECK_HEADERS(Files.h assert.h console.h ctype.h dirent.h errno.h fcntl.h float.h ftw.h grp.h ieee754.h malloc.h memory.h nlist.h pascal.h pwd.h sgtty.h siginfo.h signal.h stat.h stdlib.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 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/utsname.h sys/vadvise.h sys/wait.h termio.h termios.h time.h types.h unistd.h utime.h values.h vfork.h readline/readline.h bfd.h)
+AC_CHECK_HEADERS(Files.h assert.h console.h ctype.h dirent.h errno.h fcntl.h float.h ftw.h grp.h ieee754.h malloc.h memory.h nlist.h pascal.h pwd.h sgtty.h siginfo.h signal.h stat.h stdint.h stdlib.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 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/utsname.h sys/vadvise.h sys/wait.h termio.h termios.h time.h types.h unistd.h utime.h values.h vfork.h bfd.h winsock.h)
+
+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) 
@@ -479,22 +549,47 @@ FPTOOLS_ALTZONE
 dnl ** does struct stat contain st_blksize?
 AC_STRUCT_ST_BLKSIZE
 
+dnl ** do we have long longs?
+FPTOOLS_C_LONG_LONG
+
 dnl ** what are the sizes of various types
 dnl    (these must come before GHC_CHECK_ALIGNMENT)
-AC_CHECK_SIZEOF(unsigned int,4)
-AC_CHECK_SIZEOF(float,       4)
-AC_CHECK_SIZEOF(double,      8)
-AC_CHECK_SIZEOF(long,        4)
-AC_CHECK_SIZEOF(void *,      4)
+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(unsigned int) dnl redundant but harmless
-FPTOOLS_CHECK_ALIGNMENT(long)
-FPTOOLS_CHECK_ALIGNMENT(float)
+FPTOOLS_CHECK_ALIGNMENT(char)
 FPTOOLS_CHECK_ALIGNMENT(double)
-
-dnl ** do we have long longs?
-FPTOOLS_C_LONG_LONG
+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 ** can we open files in binary mode?
 FPTOOLS_O_BINARY
@@ -586,6 +681,28 @@ 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="-lreadline -l$LibTermcap"
+else
+  AC_DEFINE(HAVE_READLINE_LIBS,0)
+  LibsReadline=
+fi
+AC_SUBST(LibsReadline)
+
 dnl ################################################################
 dnl Check for libraries
 dnl ################################################################
@@ -613,9 +730,6 @@ AC_C_BIGENDIAN
 errprint((fptools configure script wizard sez: "don't worry, the above warning is harmless (to us.)")
 )
 
-dnl ** determine the return type of signal()
-AC_TYPE_SIGNAL
-
 dnl ** check for leading underscores in symbol names
 FPTOOLS_UNDERSCORE