SSCLI-sscli_20021101/configure.in

dnl /*++
dnl 
dnl  Copyright (c) 2002 Microsoft Corporation.  All rights reserved.
dnl 
dnl  The use and distribution terms for this software are contained in the file
dnl  named license.txt, which can be found in the root of this distribution.
dnl  By using this software in any fashion, you are agreeing to be bound by the
dnl  terms of this license.
dnl 
dnl  You must not remove this notice, or any other, from this software.
dnl 
dnl
dnl Module Name : configure.in
dnl
dnl process this file with autoconf to create a configure script
dnl --*/

AC_INIT(pal/rotor_pal.h)

if test ! "$BUILD_ALT_DIR"
then
    echo "Environment not set. Run '. env.sh' before building Rotor."
    exit
fi

dnl Some subdirectories have their own configure scripts.

AC_CONFIG_SUBDIRS(pal/unix/)

dnl configure options propagated from subdirectories go here.

AC_ARG_ENABLE(debug,
[  --disable-debug          compile out all debug-only code],
[if test "$enableval" = "no"; then DEBUG_ENABLED="no"; fi])

AC_ARG_ENABLE(dbgmsg,
[  --disable-dbgmsg         compile out all debugging messages],
[if test "$enableval" = "no"; then DEBUG_MSGS="no"; fi])

dnl Local environment checks.

AC_MSG_CHECKING(architecture)
ARCH_DIR=`uname -p | sed -e s/powerpc/ppc/ -e s/i.86/i386/`
AC_MSG_RESULT($ARCH_DIR)

dnl Define output variable SET_MAKE to be empty because make sets MAKE.
AC_PROG_MAKE_SET


dnl Compiler characteristics

dnl Define CC to be the C compiler (hopefully GCC)
AC_PROG_CC

dnl Define CPP to be the C preprocessor (typically gcc -E)
AC_PROG_CPP

dnl Define BIGENDIAN if the current system is big-endian.
dnl The presence of this macro causes autoconf 2.13 to print a warning
dnl about cross-compiling.  The warning is a non-issue and can't be
dnl disabled without modifying autoconf.
AC_C_BIGENDIAN
if test "$ac_cv_c_bigendian" = yes; then
    BIGENDIAN="-DBIGENDIAN"
else
    dnl For completeness
    BIGENDIAN=""
fi
AC_SUBST(BIGENDIAN)

dnl Figure out what our C runtime library is. At the same time, we can
dnl set an assortment of other flags that are different on Mac OS X and
dnl FreeBSD.

PTHREAD_OPTIONS=

dnl Default compiler flags. These only apply to the tools and the PAL
dnl test suite.  The PAL's compiler flags are set in pal/unix/configure.in,
dnl and the compiler flags for the CLR are set in various files in
dnl rotorenv/bin.
dnl We turn on debugging and optimizations, build position-independent code,
dnl and enable all warnings.
CFLAGS="-g -O2 -Wall -fPIC -DPIC"

if test "$FEATURE_CASE_SENSITIVE_FS" = "1"; then
    CFLAGS="$CFLAGS -DFEATURE_CASE_SENSITIVE_FILESYSTEM"
fi

dnl libc_r is the C runtime that we use on FreeBSD.
AC_CHECK_LIB(c_r, printf, has_libc_r=yes, has_libc_r=no)
if test $has_libc_r = yes; then
    REQUIRED_C_LIBS="/usr/lib/crt1.o /usr/lib/crti.o /usr/lib/crtbeginS.o"
    REQUIRED_C_LIBS="$REQUIRED_C_LIBS /usr/lib/crtendS.o /usr/lib/crtn.o"
    GCC_LIB=/usr/lib/libgcc.a
    SHARED_LIB=-shared
    SHARED_LIB_EXTENSION=.so
    LINKER_FLAGS=
    PTHREAD_OPTIONS=-pthread
else
    dnl libSystem is Darwin's C runtime.
    AC_CHECK_LIB(System, printf, has_libSystem=yes, has_libSystem=no)
    if test $has_libSystem = yes; then
        REQUIRED_C_LIBS=/usr/lib/crt1.o
        GCC_LIB=/usr/lib/libcc_dynamic.a
        AC_CHECK_FILE(/usr/lib/gcc/darwin/default/crtbegin.o, has_crtbegin=yes,
                      has_crtbegin=no)
        if test $has_crtbegin = yes; then
            REQUIRED_C_LIBS="$REQUIRED_C_LIBS /usr/lib/gcc/darwin/default/crtbegin.o"
            dnl Darwin systems that use crtbegin.o also require libstdc++.a for C++.
            GCC_LIB="$GCC_LIB /usr/lib/libstdc++.a"
        fi
        SHARED_LIB=-dynamiclib
        SHARED_LIB_EXTENSION=.dylib
        LINKER_FLAGS=-dynamic
        dnl Disable some instruction reordering to allow our SEH code to work.
        CFLAGS="$CFLAGS -fno-schedule-insns"
    else
        dnl Solaris includes libsocket.
        AC_CHECK_LIB(socket, connect, has_libsocket=yes, has_libsocket=no)
        if test $has_libsocket = yes; then
            REQUIRED_C_LIBS="$GCC_LIB_DIR/crt1.o $GCC_LIB_DIR/crti.o"
            REQUIRED_C_LIBS="$REQUIRED_C_LIBS /usr/ccs/lib/values-Xa.o $GCC_LIB_DIR/crtbegin.o"
            REQUIRED_C_LIBS="$REQUIRED_C_LIBS $GCC_LIB_DIR/crtend.o $GCC_LIB_DIR/crtn.o"
            GCC_LIB="$GCC_LIB_DIR/libgcc.a $GCC_LIB_DIR/libstdc++.a /usr/lib/libc.so"
            SHARED_LIB=-shared
            SHARED_LIB_EXTENSION=.so
            LINKER_FLAGS=
            dnl Disable some instruction reordering to allow our SEH code to work.
            CFLAGS="$CFLAGS -fno-schedule-insns"
        else
            dnl Assume that it's libc (untested).
            REQUIRED_C_LIBS="/usr/lib/crt1.o /usr/lib/crti.o /usr/lib/crtn.o"
            REQUIRED_C_LIBS="$REQUIRED_C_LIBS $GCC_LIB_DIR/crtbegin.o $GCC_LIB_DIR/crtend.o"
            GCC_LIB="$GCC_LIB_DIR/libgcc.a /usr/local/lib/libstdc++.a"
            if test "$GCC_EH_LIB"; then
            	GCC_LIB="$GCC_LIB $GCC_EH_LIB"
            fi
            SHARED_LIB=-shared
            SHARED_LIB_EXTENSION=.so
            LINKER_FLAGS=
            dnl Disable some instruction reordering to allow our SEH code to work.
            CFLAGS="$CFLAGS -fno-schedule-insns"
        fi
    fi
fi
AC_SUBST(REQUIRED_C_LIBS)
AC_SUBST(GCC_LIB)
AC_SUBST(SHARED_LIB)
AC_SUBST(SHARED_LIB_EXTENSION)
AC_SUBST(LINKER_FLAGS)
AC_SUBST(PTHREAD_OPTIONS)

dnl Here are the files to generate

AC_OUTPUT([
makefile
makefile.common
tools/binplace/makefile
tools/build/makefile
tools/cppmunge/makefile
tools/nmake/makefile
tests/harness/test_harness/harness_comp_commands.h
 ])

echo
echo "Configure finished. Run './buildall' to build Rotor."
echo