mirror of git://gcc.gnu.org/git/gcc.git
				
				
				
			
		
			
				
	
	
		
			747 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
			
		
		
	
	
			747 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
| dnl This file is included into all any other acinclude file that needs
 | |
| dnl to use these macros.
 | |
| 
 | |
| dnl This is copied from autoconf 2.12, but does calls our own AC_PROG_CC_WORKS,
 | |
| dnl and doesn't call AC_PROG_CXX_GNU, cause we test for that in  AC_PROG_CC_WORKS.
 | |
| dnl We are probably using a cross compiler, which will not be able to fully
 | |
| dnl link an executable.  This should really be fixed in autoconf itself.
 | |
| dnl Find a working G++ cross compiler. This only works for the GNU C++ compiler.
 | |
| AC_DEFUN([CYG_AC_PROG_CXX_CROSS],
 | |
| [AC_BEFORE([$0], [AC_PROG_CXXCPP])
 | |
| AC_CHECK_PROGS(CXX, $CCC c++ g++ gcc CC cxx cc++, gcc)
 | |
| 
 | |
| CYG_AC_PROG_GXX_WORKS
 | |
| 
 | |
| if test $ac_cv_prog_gxx = yes; then
 | |
|   GXX=yes
 | |
| dnl Check whether -g works, even if CXXFLAGS is set, in case the package
 | |
| dnl plays around with CXXFLAGS (such as to build both debugging and
 | |
| dnl normal versions of a library), tasteless as that idea is.
 | |
|   ac_test_CXXFLAGS="${CXXFLAGS+set}"
 | |
|   ac_save_CXXFLAGS="$CXXFLAGS"
 | |
|   CXXFLAGS=
 | |
|   AC_PROG_CXX_G
 | |
|   if test "$ac_test_CXXFLAGS" = set; then
 | |
|     CXXFLAGS="$ac_save_CXXFLAGS"
 | |
|   elif test $ac_cv_prog_cxx_g = yes; then
 | |
|     CXXFLAGS="-g -O2"
 | |
|   else
 | |
|     CXXFLAGS="-O2"
 | |
|   fi
 | |
| else
 | |
|   GXX=
 | |
|   test "${CXXFLAGS+set}" = set || CXXFLAGS="-g"
 | |
| fi
 | |
| ])
 | |
| 
 | |
| dnl See if the G++ compiler we found works.
 | |
| AC_DEFUN([CYG_AC_PROG_GXX_WORKS],
 | |
| [AC_MSG_CHECKING([whether the G++ compiler ($CXX $CXXFLAGS $LDFLAGS) actually works])
 | |
| AC_LANG_SAVE
 | |
| AC_LANG_CPLUSPLUS
 | |
| dnl Try a test case. We only compile, because it's close to impossible
 | |
| dnl to get a correct fully linked executable with a cross compiler. For
 | |
| dnl most cross compilers, this test is bogus. For G++, we can use various
 | |
| dnl other compile line options to get a decent idea that the cross compiler
 | |
| dnl actually does work, even though we can't produce an executable without
 | |
| dnl more info about the target it's being compiled for. This only works
 | |
| dnl for the GNU C++ compiler.
 | |
| 
 | |
| dnl Transform the name of the compiler to it's cross variant, unless
 | |
| dnl CXX is set. This is also what CXX gets set to in the generated
 | |
| dnl Makefile.
 | |
| if test x"${CXX}" = xc++ ; then
 | |
|     CXX=`echo gcc | sed -e "${program_transform_name}"`
 | |
| fi
 | |
| 
 | |
| dnl Get G++'s full path to libgcc.a
 | |
| libgccpath=`${CXX} --print-libgcc`
 | |
| 
 | |
| dnl If we don't have a path with libgcc.a on the end, this isn't G++.
 | |
| if test `echo $libgccpath | sed -e 's:/.*/::'` = libgcc.a ; then
 | |
|    ac_cv_prog_gxx=yes
 | |
| else
 | |
|    ac_cv_prog_gxx=no
 | |
| fi
 | |
| 
 | |
| dnl If we are using G++, look for the files that need to exist if this
 | |
| dnl compiler works.
 | |
| if test x"${ac_cv_prog_gxx}" = xyes ; then
 | |
|     gccfiles=`echo $libgccpath | sed -e 's:/libgcc.a::'`
 | |
|     if test -f ${gccfiles}/specs -a -f ${gccfiles}/cpp -a -f ${gccfiles}/cc1plus; then
 | |
| 	gccfiles=yes
 | |
|     else
 | |
| 	gccfiles=no
 | |
|     fi
 | |
|     gcclibs=`echo $libgccpath | sed -e 's:lib/gcc-lib/::' -e 's:/libgcc.a::' -e 's,\(.*\)/.*,\1,g'`/lib
 | |
|     if test -d ${gcclibs}/ldscripts -a -f ${gcclibs}/libc.a -a -f ${gcclibs}/libstdc++.a ; then
 | |
| 	gcclibs=yes
 | |
|     else
 | |
| 	gcclibs=no
 | |
|     fi
 | |
| fi
 | |
| 
 | |
| dnl If everything is OK, then we can safely assume the compiler works.
 | |
| if test x"${gccfiles}" = xno -o x"${gcclibs}" = xno; then
 | |
|     ac_cv_prog_cxx_works=no
 | |
|     AC_MSG_ERROR(${CXX} is a non-working cross compiler)
 | |
| else
 | |
|    ac_cv_prog_cxx_works=yes 
 | |
| fi
 | |
| 
 | |
| AC_LANG_RESTORE
 | |
| AC_MSG_RESULT($ac_cv_prog_cxx_works)
 | |
| if test x"$ac_cv_prog_cxx_works" = xno; then
 | |
|   AC_MSG_ERROR([installation or configuration problem: C++ compiler cannot create executables.])
 | |
| fi
 | |
| AC_MSG_CHECKING([whether the G++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler])
 | |
| AC_MSG_RESULT($ac_cv_prog_cxx_cross)
 | |
| cross_compiling=$ac_cv_prog_cxx_cross
 | |
| AC_SUBST(CXX)
 | |
| ])
 | |
| 
 | |
| dnl ====================================================================
 | |
| dnl Find a working GCC cross compiler. This only works for the GNU gcc compiler.
 | |
| dnl This is based on the macros above for G++.
 | |
| AC_DEFUN([CYG_AC_PROG_CC_CROSS],
 | |
| [AC_BEFORE([$0], [AC_PROG_CCPP])
 | |
| AC_CHECK_PROGS(CC, cc, gcc)
 | |
| 
 | |
| CYG_AC_PROG_GCC_WORKS
 | |
| 
 | |
| if test $ac_cv_prog_gcc = yes; then
 | |
|   GCC=yes
 | |
| dnl Check whether -g works, even if CFLAGS is set, in case the package
 | |
| dnl plays around with CFLAGS (such as to build both debugging and
 | |
| dnl normal versions of a library), tasteless as that idea is.
 | |
|   ac_test_CFLAGS="${CFLAGS+set}"
 | |
|   ac_save_CFLAGS="$CFLAGS"
 | |
|   CFLAGS=
 | |
|   AC_PROG_CC_G
 | |
|   if test "$ac_test_CFLAGS" = set; then
 | |
|     CFLAGS="$ac_save_CFLAGS"
 | |
|   elif test $ac_cv_prog_cc_g = yes; then
 | |
|     CFLAGS="-g -O2"
 | |
|   else
 | |
|     CFLAGS="-O2"
 | |
|   fi
 | |
| else
 | |
|   GXX=
 | |
|   test "${CFLAGS+set}" = set || CFLAGS="-g"
 | |
| fi
 | |
| ])
 | |
| 
 | |
| dnl See if the GCC compiler we found works.
 | |
| AC_DEFUN([CYG_AC_PROG_GCC_WORKS],
 | |
| [AC_MSG_CHECKING([whether the Gcc compiler ($CC $CFLAGS $LDFLAGS) actually works])
 | |
| AC_LANG_SAVE
 | |
| AC_LANG_C
 | |
| dnl Try a test case. We only compile, because it's close to impossible
 | |
| dnl to get a correct fully linked executable with a cross
 | |
| dnl compiler. For most cross compilers, this test is bogus. For G++,
 | |
| dnl we can use various other compile line options to get a decent idea
 | |
| dnl that the cross compiler actually does work, even though we can't
 | |
| dnl produce an executable without more info about the target it's
 | |
| dnl being compiled for. This only works for the GNU C++ compiler.
 | |
| 
 | |
| dnl Transform the name of the compiler to it's cross variant, unless
 | |
| dnl CXX is set. This is also what CC gets set to in the generated Makefile.
 | |
| if test x"${CC}" = xcc ; then
 | |
|     CC=`echo gcc | sed -e "${program_transform_name}"`
 | |
| fi
 | |
| 
 | |
| dnl Get Gcc's full path to libgcc.a
 | |
| libgccpath=`${CC} --print-libgcc`
 | |
| 
 | |
| dnl If we don't have a path with libgcc.a on the end, this isn't G++.
 | |
| if test `echo $libgccpath | sed -e 's:/.*/::'` = libgcc.a ; then
 | |
|    ac_cv_prog_gcc=yes
 | |
| else
 | |
|    ac_cv_prog_gcc=no
 | |
| fi
 | |
| 
 | |
| dnl If we are using Gcc, look for the files that need to exist if this
 | |
| dnl compiler works.
 | |
| if test x"${ac_cv_prog_gcc}" = xyes ; then
 | |
|     gccfiles=`echo $libgccpath | sed -e 's:/libgcc.a::'`
 | |
|     if test -f ${gccfiles}/specs -a -f ${gccfiles}/cpp -a -f ${gccfiles}/cc1plus; then
 | |
| 	gccfiles=yes
 | |
|     else
 | |
| 	gccfiles=no
 | |
|     fi
 | |
|     gcclibs=`echo $libgccpath | sed -e 's:lib/gcc-lib/::' -e 's:/libgcc.a::' -e 's,\(.*\)/.*,\1,g'`/lib
 | |
|     if test -d ${gcclibs}/ldscripts -a -f ${gcclibs}/libc.a -a -f ${gcclibs}/libstdc++.a ; then
 | |
| 	gcclibs=yes
 | |
|     else
 | |
| 	gcclibs=no
 | |
|     fi
 | |
| fi
 | |
| 
 | |
| dnl If everything is OK, then we can safely assume the compiler works.
 | |
| if test x"${gccfiles}" = xno -o x"${gcclibs}" = xno; then
 | |
|     ac_cv_prog_cc_works=no
 | |
|     AC_MSG_ERROR(${CC} is a non-working cross compiler)    
 | |
| else
 | |
|     ac_cv_prog_cc_works=yes
 | |
| fi
 | |
| 
 | |
| AC_LANG_RESTORE
 | |
| AC_MSG_RESULT($ac_cv_prog_cc_works)
 | |
| if test x"$ac_cv_prog_cc_works" = xno; then
 | |
|   AC_MSG_ERROR([installation or configuration problem: C++ compiler cannot create executables.])
 | |
| fi
 | |
| AC_MSG_CHECKING([whether the Gcc compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler])
 | |
| AC_MSG_RESULT($ac_cv_prog_cc_cross)
 | |
| cross_compiling=$ac_cv_prog_cc_cross
 | |
| AC_SUBST(CC)
 | |
| ])
 | |
| 
 | |
| dnl ====================================================================
 | |
| dnl Find the BFD library in the build tree. This is used to access and
 | |
| dnl manipulate object or executable files.
 | |
| AC_DEFUN([CYG_AC_PATH_BFD], [
 | |
| AC_MSG_CHECKING(for the bfd header in the build tree)
 | |
| dirlist=".. ../../ ../../../ ../../../../ ../../../../../ ../../../../../../ ../../../../../../.. ../../../../../../../.. ../../../../../../../../.. ../../../../../../../../../.."
 | |
| dnl Look for the header file
 | |
| AC_CACHE_VAL(ac_cv_c_bfdh,[
 | |
| for i in $dirlist; do
 | |
|     if test -f "$i/bfd/bfd.h" ; then
 | |
| 	ac_cv_c_bfdh=`(cd $i/bfd; ${PWDCMD-pwd})`
 | |
| 	break
 | |
|     fi
 | |
| done
 | |
| ])
 | |
| if test x"${ac_cv_c_bfdh}" != x; then
 | |
|     BFDHDIR="-I${ac_cv_c_bfdh}"
 | |
|     AC_MSG_RESULT(${ac_cv_c_bfdh})
 | |
| else
 | |
|     AC_MSG_RESULT(none)
 | |
| fi
 | |
| AC_SUBST(BFDHDIR)
 | |
| 
 | |
| dnl Look for the library
 | |
| AC_MSG_CHECKING(for the bfd library in the build tree)
 | |
| AC_CACHE_VAL(ac_cv_c_bfdlib,[
 | |
| for i in $dirlist; do
 | |
|     if test -f "$i/bfd/Makefile" ; then
 | |
| 	ac_cv_c_bfdlib=`(cd $i/bfd; ${PWDCMD-pwd})`
 | |
|     fi
 | |
| done
 | |
| ])
 | |
| dnl We list two directories cause bfd now uses libtool
 | |
| if test x"${ac_cv_c_bfdlib}" != x; then
 | |
|     BFDLIB="-L${ac_cv_c_bfdlib} -L${ac_cv_c_bfdlib}/.libs"
 | |
|     AC_MSG_RESULT(${ac_cv_c_bfdlib})
 | |
| else
 | |
|     AC_MSG_RESULT(none)
 | |
| fi
 | |
| AC_SUBST(BFDLIB)
 | |
| ])
 | |
| 
 | |
| dnl ====================================================================
 | |
| dnl Find the libiberty library. This defines many commonly used C
 | |
| dnl functions that exists in various states based on the underlying OS.
 | |
| AC_DEFUN([CYG_AC_PATH_LIBERTY], [
 | |
| AC_MSG_CHECKING(for the liberty library in the build tree)
 | |
| dirlist=".. ../../ ../../../ ../../../../ ../../../../../ ../../../../../../ ../../../../../../.. ../../../../../../../.. ../../../../../../../../.. ../../../../../../../../../.."
 | |
| AC_CACHE_VAL(ac_cv_c_liberty,[
 | |
| for i in $dirlist; do
 | |
|     if test -f "$i/libiberty/Makefile" ; then
 | |
| 	ac_cv_c_liberty=`(cd $i/libiberty; ${PWDCMD-pwd})`
 | |
|     fi
 | |
| done
 | |
| ])
 | |
| if test x"${ac_cv_c_liberty}" != x; then
 | |
|     LIBERTY="-L${ac_cv_c_liberty}"
 | |
|     AC_MSG_RESULT(${ac_cv_c_liberty})
 | |
| else
 | |
|     AC_MSG_RESULT(none)
 | |
| fi
 | |
| AC_SUBST(LIBERTY)
 | |
| ])
 | |
| 
 | |
| dnl ====================================================================
 | |
| dnl Find the opcodes library. This is used to do dissasemblies.
 | |
| AC_DEFUN([CYG_AC_PATH_OPCODES], [
 | |
| AC_MSG_CHECKING(for the opcodes library in the build tree)
 | |
| dirlist=".. ../../ ../../../ ../../../../ ../../../../../ ../../../../../../ ../../../../../../.. ../../../../../../../.. ../../../../../../../../.. ../../../../../../../../../.."
 | |
| AC_CACHE_VAL(ac_cv_c_opc,[
 | |
| for i in $dirlist; do
 | |
|     if test -f "$i/opcodes/Makefile" ; then
 | |
| 	ac_cv_c_opc=`(cd $i/opcodes; ${PWDCMD-pwd})`
 | |
|     fi
 | |
| done
 | |
| ])
 | |
| if test x"${ac_cv_c_opc}" != x; then
 | |
|     OPCODESLIB="-L${ac_cv_c_opc}"
 | |
|     AC_MSG_RESULT(${ac_cv_c_opc})
 | |
| else
 | |
|     AC_MSG_RESULT(none)
 | |
| fi
 | |
| AC_SUBST(OPCODESLIB)
 | |
| ])
 | |
| 
 | |
| dnl ====================================================================
 | |
| dnl Look for the DejaGnu header file in the source tree. This file
 | |
| dnl defines the functions used to testing support.
 | |
| AC_DEFUN([CYG_AC_PATH_DEJAGNU], [
 | |
| AC_MSG_CHECKING(for the testing support files in the source tree)
 | |
| dirlist=".. ../../ ../../../ ../../../../ ../../../../../ ../../../../../../ ../../../../../../.. ../../../../../../../.. ../../../../../../../../.. ../../../../../../../../../.."
 | |
| AC_CACHE_VAL(ac_cv_c_dejagnu,[
 | |
| for i in $dirlist; do
 | |
|     if test -f "$srcdir/$i/ecc/ecc/infra/testlib/current/include/dejagnu.h" ; then
 | |
| 	ac_cv_c_dejagnu=`(cd $srcdir/$i/ecc/ecc/infra/testlib/current/include; ${PWDCMD-pwd})`
 | |
|     fi
 | |
| done
 | |
| ])
 | |
| if test x"${ac_cv_c_dejagnu}" != x; then
 | |
|     DEJAGNUHDIR="-I${ac_cv_c_dejagnu}"
 | |
|     AC_MSG_RESULT(${ac_cv_c_dejagnu})
 | |
| else
 | |
|     AC_MSG_RESULT(none)
 | |
| fi
 | |
| AC_CACHE_VAL(ac_cv_c_dejagnulib,[
 | |
| for i in $dirlist; do
 | |
|     if test -f "$srcdir/$i/infra/testlib/current/lib/hostutil.exp" ; then
 | |
| 	ac_cv_c_dejagnulib=`(cd $srcdir/$i/infra/testlib/current/lib; ${PWDCMD-pwd})`
 | |
|     fi
 | |
| done
 | |
| ])
 | |
| if test x"${ac_cv_c_dejagnulib}" != x; then
 | |
|     DEJAGNULIB="${ac_cv_c_dejagnulib}"
 | |
| else
 | |
|     DEJAGNULIB=""
 | |
| fi
 | |
| AC_MSG_CHECKING(for runtest in the source tree)
 | |
| AC_CACHE_VAL(ac_cv_c_runtest,[
 | |
| for i in $dirlist; do
 | |
|     if test -f "$srcdir/$i/dejagnu/runtest" ; then
 | |
| 	ac_cv_c_runtest=`(cd $srcdir/$i/dejagnu; ${PWDCMD-pwd})`
 | |
|     fi
 | |
| done
 | |
| ])
 | |
| if test x"${ac_cv_c_runtest}" != x; then
 | |
|     RUNTESTDIR="${ac_cv_c_runtest}"
 | |
|    AC_MSG_RESULT(${ac_cv_c_runtest})
 | |
| else
 | |
|     RUNTESTDIR=""
 | |
|     AC_MSG_RESULT(none)
 | |
| fi
 | |
| AC_SUBST(RUNTESTDIR)
 | |
| AC_SUBST(DEJAGNULIB)
 | |
| AC_SUBST(DEJAGNUHDIR)
 | |
| ])
 | |
| 
 | |
| dnl ====================================================================
 | |
| dnl Find the libintl library in the build tree. This is for
 | |
| dnl  internationalization support.
 | |
| AC_DEFUN([CYG_AC_PATH_INTL], [
 | |
| AC_MSG_CHECKING(for the intl header in the build tree)
 | |
| dirlist=".. ../../ ../../../ ../../../../ ../../../../../ ../../../../../../ ../../../../../../.. ../../../../../../../.. ../../../../../../../../.. ../../../../../../../../../.."
 | |
| dnl Look for the header file
 | |
| AC_CACHE_VAL(ac_cv_c_intlh,[
 | |
| for i in $dirlist; do
 | |
|     if test -f "$i/intl/libintl.h" ; then
 | |
| 	ac_cv_c_intlh=`(cd $i/intl; ${PWDCMD-pwd})`
 | |
| 	break
 | |
|     fi
 | |
| done
 | |
| ])
 | |
| if test x"${ac_cv_c_intlh}" != x; then
 | |
|     INTLHDIR="-I${ac_cv_c_intlh}"
 | |
|     AC_MSG_RESULT(${ac_cv_c_intlh})
 | |
| else
 | |
|     AC_MSG_RESULT(none)
 | |
| fi
 | |
| AC_SUBST(INTLHDIR)
 | |
| 
 | |
| dnl Look for the library
 | |
| AC_MSG_CHECKING(for the libintl library in the build tree)
 | |
| AC_CACHE_VAL(ac_cv_c_intllib,[
 | |
| for i in $dirlist; do
 | |
|     if test -f "$i/intl/Makefile" ; then
 | |
| 	ac_cv_c_intllib=`(cd $i/intl; ${PWDCMD-pwd})`
 | |
|     fi
 | |
| done
 | |
| ])
 | |
| if test x"${ac_cv_c_intllib}" != x; then
 | |
|     INTLLIB="-L${ac_cv_c_intllib} -lintl"
 | |
|     AC_MSG_RESULT(${ac_cv_c_intllib})
 | |
| else
 | |
|     AC_MSG_RESULT(none)
 | |
| fi
 | |
| AC_SUBST(INTLLIB)
 | |
| ])
 | |
| 
 | |
| dnl ====================================================================
 | |
| dnl Find the simulator library.
 | |
| AC_DEFUN([CYG_AC_PATH_SIM], [
 | |
| dirlist=".. ../../ ../../../ ../../../../ ../../../../../ ../../../../../../ ../../../../../../.. ../../../../../../../.. ../../../../../../../../.. ../../../../../../../../../.. ../../../../../../../../../.."
 | |
| case "$target_cpu" in
 | |
|     powerpc)	target_dir=ppc ;;
 | |
|     sparc*)	target_dir=erc32 ;;
 | |
|     mips*)	target_dir=mips ;;
 | |
|     *)		target_dir=$target_cpu ;;
 | |
| esac
 | |
| dnl First look for the header file
 | |
| AC_MSG_CHECKING(for the simulator header file)
 | |
| AC_CACHE_VAL(ac_cv_c_simh,[
 | |
| for i in $dirlist; do
 | |
|     if test -f "${srcdir}/$i/include/remote-sim.h" ; then
 | |
| 	ac_cv_c_simh=`(cd ${srcdir}/$i/include; ${PWDCMD-pwd})`
 | |
| 	break
 | |
|     fi
 | |
| done
 | |
| ])
 | |
| if test x"${ac_cv_c_simh}" != x; then
 | |
|     SIMHDIR="-I${ac_cv_c_simh}"
 | |
|     AC_MSG_RESULT(${ac_cv_c_simh})
 | |
| else
 | |
|     AC_MSG_RESULT(none)
 | |
| fi
 | |
| AC_SUBST(SIMHDIR)
 | |
| 
 | |
| dnl See whether it's a devo or Foundry branch simulator
 | |
| AC_MSG_CHECKING(Whether this is a devo simulator )
 | |
| AC_CACHE_VAL(ac_cv_c_simdevo,[
 | |
|     CPPFLAGS="$CPPFLAGS $SIMHDIR"
 | |
|     AC_EGREP_HEADER([SIM_DESC sim_open.*struct _bfd], remote-sim.h,
 | |
|         ac_cv_c_simdevo=yes,
 | |
|         ac_cv_c_simdevo=no)
 | |
| ])
 | |
| if test x"$ac_cv_c_simdevo" = x"yes" ; then
 | |
|     AC_DEFINE(HAVE_DEVO_SIM)
 | |
| fi
 | |
| AC_MSG_RESULT(${ac_cv_c_simdevo})
 | |
| AC_SUBST(HAVE_DEVO_SIM)
 | |
| 
 | |
| dnl Next look for the library
 | |
| AC_MSG_CHECKING(for the simulator library)
 | |
| AC_CACHE_VAL(ac_cv_c_simlib,[
 | |
| for i in $dirlist; do
 | |
|     if test -f "$i/sim/$target_dir/Makefile" ; then
 | |
| 	ac_cv_c_simlib=`(cd $i/sim/$target_dir; ${PWDCMD-pwd})`
 | |
|     fi
 | |
| done
 | |
| ])
 | |
| if test x"${ac_cv_c_simlib}" != x; then
 | |
|     SIMLIB="-L${ac_cv_c_simlib}"
 | |
| else
 | |
|     AC_MSG_RESULT(none)
 | |
|     dnl FIXME: this is kinda bogus, cause umtimately the TM will build
 | |
|     dnl all the libraries for several architectures. But for now, this
 | |
|     dnl will work till then.
 | |
| dnl     AC_MSG_CHECKING(for the simulator installed with the compiler libraries)
 | |
|     dnl Transform the name of the compiler to it's cross variant, unless
 | |
|     dnl CXX is set. This is also what CXX gets set to in the generated
 | |
|     dnl Makefile.
 | |
|     CROSS_GCC=`echo gcc | sed -e "s/^/$target/"`
 | |
| 
 | |
|     dnl Get G++'s full path to libgcc.a
 | |
| changequote(,)
 | |
|     gccpath=`${CROSS_GCC} --print-libgcc | sed -e 's:[a-z0-9A-Z\.\-]*/libgcc.a::' -e 's:lib/gcc-lib/::'`lib
 | |
| changequote([,])
 | |
|     if test -f $gccpath/libsim.a -o -f $gccpath/libsim.so ; then
 | |
|         ac_cv_c_simlib="$gccpath/"
 | |
|         SIMLIB="-L${ac_cv_c_simlib}"
 | |
| 	AC_MSG_RESULT(${ac_cv_c_simlib})
 | |
|     else
 | |
|         AM_CONDITIONAL(PSIM, test x$psim = xno)
 | |
| 	SIMLIB=""
 | |
| 	AC_MSG_RESULT(none)
 | |
| dnl         ac_cv_c_simlib=none
 | |
|     fi
 | |
| fi
 | |
| AC_SUBST(SIMLIB)
 | |
| ])
 | |
| 
 | |
| dnl ====================================================================
 | |
| dnl Find the libiberty library.
 | |
| AC_DEFUN([CYG_AC_PATH_LIBIBERTY], [
 | |
| AC_MSG_CHECKING(for the libiberty library in the build tree)
 | |
| dirlist=".. ../../ ../../../ ../../../../ ../../../../../ ../../../../../../ ../../../../../../.. ../../../../../../../.. ../../../../../../../../.. ../../../../../../../../../.."
 | |
| AC_CACHE_VAL(ac_cv_c_libib,[
 | |
| for i in $dirlist; do
 | |
|     if test -f "$i/libiberty/Makefile" ; then
 | |
| 	ac_cv_c_libib=`(cd $i/libiberty/; ${PWDCMD-pwd})`
 | |
|     fi
 | |
| done
 | |
| ])
 | |
| if test x"${ac_cv_c_libib}" != x; then
 | |
|     LIBIBERTY="-L${ac_cv_c_libib}"
 | |
|     AC_MSG_RESULT(${ac_cv_c_libib})
 | |
| else
 | |
|     AC_MSG_RESULT(none)
 | |
| fi
 | |
| AC_SUBST(LIBIBERTY)
 | |
| ])
 | |
| 
 | |
| dnl ====================================================================
 | |
| AC_DEFUN([CYG_AC_PATH_DEVO], [
 | |
| AC_MSG_CHECKING(for devo headers in the source tree)
 | |
| dirlist=".. ../../ ../../../ ../../../../ ../../../../../ ../../../../../../ ../../../../../../.. ../../../../../../../.. ../../../../../../../../.. ../../../../../../../../../.."
 | |
| AC_CACHE_VAL(ac_cv_c_devoh,[
 | |
| for i in $dirlist; do
 | |
|     if test -f "${srcdir}/$i/include/remote-sim.h" ; then
 | |
| 	ac_cv_c_devoh=`(cd ${srcdir}/$i/include; ${PWDCMD-pwd})`
 | |
|     fi
 | |
| done
 | |
| ])
 | |
| if test x"${ac_cv_c_devoh}" != x; then
 | |
|     DEVOHDIR="-I${ac_cv_c_devoh}"
 | |
|     AC_MSG_RESULT(${ac_cv_c_devoh})
 | |
| else
 | |
|     AC_MSG_RESULT(none)
 | |
| fi
 | |
| AC_SUBST(DEVOHDIR)
 | |
| ])
 | |
| 
 | |
| dnl ====================================================================
 | |
| dnl Find all the ILU headers and libraries
 | |
| AC_DEFUN([CYG_AC_PATH_ILU], [
 | |
| AC_MSG_CHECKING(for ILU kernel headers in the source tree)
 | |
| dirlist=".. ../../ ../../../ ../../../../ ../../../../../ ../../../../../../ ../../../../../../.. ../../../../../../../.. ../../../../../../../../.. ../../../../../../../../../.."
 | |
| AC_CACHE_VAL(ac_cv_c_iluh,[
 | |
| for i in $dirlist; do
 | |
|     if test -f "${srcdir}/$i/ilu/runtime/kernel/method.h" ; then
 | |
| 	ac_cv_c_iluh=`(cd ${srcdir}/$i/ilu/runtime/kernel; ${PWDCMD-pwd})`
 | |
|     fi
 | |
| done
 | |
| ])
 | |
| if test x"${ac_cv_c_iluh}" != x; then
 | |
|     ILUHDIR="-I${ac_cv_c_iluh}"
 | |
|     AC_MSG_RESULT(${ac_cv_c_iluh})
 | |
| else
 | |
|     AC_MSG_RESULT(none)
 | |
| fi
 | |
| 
 | |
| AC_MSG_CHECKING(for ILU kernel headers in the build tree)
 | |
| dirlist=".. ../../ ../../../ ../../../../ ../../../../../ ../../../../../../ ../../../../../../.. ../../../../../../../.. ../../../../../../../../.. ../../../../../../../../../.."
 | |
| AC_CACHE_VAL(ac_cv_c_iluh5,[
 | |
| for i in $dirlist; do
 | |
|     if test -f "$i/ilu/runtime/kernel/iluconf.h" ; then
 | |
| 	ac_cv_c_iluh5=`(cd $i/ilu/runtime/kernel; ${PWDCMD-pwd})`
 | |
|     fi
 | |
| done
 | |
| ])
 | |
| if test x"${ac_cv_c_iluh5}" != x; then
 | |
|     ILUHDIR="${ILUHDIR} -I${ac_cv_c_iluh5}"
 | |
|     AC_MSG_RESULT(${ac_cv_c_iluh5})
 | |
| else
 | |
|     AC_MSG_RESULT(none)
 | |
| fi
 | |
| 
 | |
| AC_MSG_CHECKING(for ILU C++ headers in the source tree)
 | |
| AC_CACHE_VAL(ac_cv_c_iluh2,[
 | |
| for i in $dirlist; do
 | |
|     if test -f "${srcdir}/$i/ilu/stubbers/cpp/resource.h" ; then
 | |
| 	ac_cv_c_iluh2=`(cd ${srcdir}/$i/ilu/stubbers/cpp; ${PWDCMD-pwd})`
 | |
|     fi
 | |
| done
 | |
| ])
 | |
| if test x"${ac_cv_c_iluh2}" != x; then
 | |
|     ILUHDIR="${ILUHDIR} -I${ac_cv_c_iluh2}"
 | |
|     AC_MSG_RESULT(${ac_cv_c_iluh2})
 | |
| else
 | |
|     AC_MSG_RESULT(none)
 | |
| fi
 | |
| 
 | |
| AC_MSG_CHECKING(for ILU C headers)
 | |
| AC_CACHE_VAL(ac_cv_c_iluh3,[
 | |
| for i in $dirlist; do
 | |
|     if test -f "${srcdir}/$i/ilu/stubbers/c/resource.h" ; then
 | |
| 	ac_cv_c_iluh3=`(cd ${srcdir}/$i/ilu/stubbers/c  ; ${PWDCMD-pwd})`
 | |
|     fi
 | |
| done
 | |
| ])
 | |
| if test x"${ac_cv_c_iluh3}" != x; then
 | |
|     ILUHDIR="${ILUHDIR} -I${ac_cv_c_iluh3}"
 | |
|     AC_MSG_RESULT(${ac_cv_c_iluh3})
 | |
| else
 | |
|     AC_MSG_RESULT(none)
 | |
| fi
 | |
| 
 | |
| AC_MSG_CHECKING(for ILU C runtime headers)
 | |
| AC_CACHE_VAL(ac_cv_c_iluh4,[
 | |
| for i in $dirlist; do
 | |
|     if test -f "${srcdir}/$i/ilu/runtime/c/ilucstub.h" ; then
 | |
| 	ac_cv_c_iluh4=`(cd ${srcdir}/$i/ilu/runtime/c  ; ${PWDCMD-pwd})`
 | |
|     fi
 | |
| done
 | |
| ])
 | |
| if test x"${ac_cv_c_iluh4}" != x; then
 | |
|     ILUHDIR="${ILUHDIR} -I${ac_cv_c_iluh4}"
 | |
|     AC_MSG_RESULT(${ac_cv_c_iluh4})
 | |
| else
 | |
|     AC_MSG_RESULT(none)
 | |
| fi
 | |
| 
 | |
| AC_CACHE_VAL(ac_cv_c_ilupath,[
 | |
| for i in $dirlist; do
 | |
|     if test -f "$i/ilu/Makefile" ; then
 | |
| 	ac_cv_c_ilupath=`(cd $i/ilu; ${PWDCMD-pwd})`
 | |
| 	break
 | |
|     fi
 | |
| done
 | |
| ])
 | |
| ILUTOP=${ac_cv_c_ilupath}
 | |
| 
 | |
| AC_MSG_CHECKING(for the ILU library in the build tree)
 | |
| AC_CACHE_VAL(ac_cv_c_ilulib,[
 | |
| if test -f "$ac_cv_c_ilupath/runtime/kernel/Makefile" ; then
 | |
|     ac_cv_c_ilulib=`(cd $ac_cv_c_ilupath/runtime/kernel; ${PWDCMD-pwd})`
 | |
|     AC_MSG_RESULT(found ${ac_cv_c_ilulib}/libilu.a)
 | |
| else
 | |
|     AC_MSG_RESULT(no)
 | |
| fi])
 | |
|    
 | |
| AC_MSG_CHECKING(for the ILU C++ bindings library in the build tree)
 | |
| AC_CACHE_VAL(ac_cv_c_ilulib2,[
 | |
| if test -f "$ac_cv_c_ilupath/runtime/cpp/Makefile" ; then
 | |
|     ac_cv_c_ilulib2=`(cd $ac_cv_c_ilupath/runtime/cpp; ${PWDCMD-pwd})`
 | |
|     AC_MSG_RESULT(found ${ac_cv_c_ilulib2}/libilu-c++.a)
 | |
| else
 | |
|     AC_MSG_RESULT(no)
 | |
| fi])
 | |
| 
 | |
| AC_MSG_CHECKING(for the ILU C bindings library in the build tree)
 | |
| AC_CACHE_VAL(ac_cv_c_ilulib3,[
 | |
| if test -f "$ac_cv_c_ilupath/runtime/c/Makefile" ; then
 | |
|     ac_cv_c_ilulib3=`(cd $ac_cv_c_ilupath/runtime/c; ${PWDCMD-pwd})`
 | |
|     AC_MSG_RESULT(found ${ac_cv_c_ilulib3}/libilu-c.a)
 | |
| else
 | |
|     AC_MSG_RESULT(no)
 | |
| fi])
 | |
| 
 | |
| AC_MSG_CHECKING(for the ILU Tk bindings library in the build tree)
 | |
| AC_CACHE_VAL(ac_cv_c_ilulib4,[
 | |
| if test -f "$ac_cv_c_ilupath/runtime/mainloop/Makefile" ; then
 | |
|     ac_cv_c_ilulib4=`(cd $ac_cv_c_ilupath/runtime/mainloop; ${PWDCMD-pwd})`
 | |
|     AC_MSG_RESULT(found ${ac_cv_c_ilulib4}/libilu-tk.a)
 | |
| else
 | |
|     AC_MSG_RESULT(no)
 | |
| fi])
 | |
| 
 | |
| if test x"${ac_cv_c_ilulib}" = x -a x"${ac_cv_c_ilulib2}" = x; then
 | |
|   ILUHDIR=""
 | |
| fi
 | |
| 
 | |
| if test x"${ac_cv_c_ilulib}" != x -a x"${ac_cv_c_ilulib2}" != x; then
 | |
|     ILULIB="-L${ac_cv_c_ilulib} -L${ac_cv_c_ilulib2} -L${ac_cv_c_ilulib3} -L${ac_cv_c_ilulib4}"
 | |
| else
 | |
|     ILULIB=""
 | |
| fi
 | |
| 
 | |
| if test x"${ILULIB}" = x; then
 | |
|     AC_MSG_CHECKING(for ILU libraries installed with the compiler)
 | |
|     AC_CACHE_VAL(ac_cv_c_ilulib5,[
 | |
|     NATIVE_GCC=`echo gcc | sed -e "${program_transform_name}"`
 | |
| 
 | |
|     dnl Get G++'s full path to it's libraries
 | |
|     ac_cv_c_ilulib5=`${NATIVE_GCC} --print-libgcc | sed -e 's:lib/gcc-lib/.*::'`lib
 | |
|     if test -f $ac_cv_c_ilulib5/libilu-c.a -o -f $ac_cv_c_ilulib5/libilu-c.so ; then
 | |
|         if test x"${ILUHDIR}" = x; then
 | |
|                ILUHDIR="-I${ac_cv_c_ilulib5}/../include"
 | |
|         fi
 | |
|         ILULIB="-L${ac_cv_c_ilulib5}"
 | |
|         AC_MSG_RESULT(${ac_cv_c_ilulib5})
 | |
|     else
 | |
|         ac_cv_c_ilulib=none
 | |
|         AC_MSG_RESULT(none)
 | |
|     fi
 | |
| fi])
 | |
| AC_SUBST(ILUHDIR)
 | |
| AC_SUBST(ILULIB)
 | |
| AC_SUBST(ILUTOP)
 | |
| ])
 | |
| 
 | |
| dnl ====================================================================
 | |
| dnl This defines the byte order for the host. We can't use
 | |
| dnl AC_C_BIGENDIAN, cause we want to create a config file and
 | |
| dnl substitue the real value, so the header files work right
 | |
| AC_DEFUN([CYG_AC_C_ENDIAN], [
 | |
| AC_MSG_CHECKING(to see if this is a little endian host)
 | |
| AC_CACHE_VAL(ac_cv_c_little_endian, [
 | |
| ac_cv_c_little_endian=unknown
 | |
| # See if sys/param.h defines the BYTE_ORDER macro.
 | |
| AC_TRY_COMPILE([#include <sys/types.h>
 | |
| #include <sys/param.h>], [
 | |
| #if !BYTE_ORDER || !_BIG_ENDIAN || !_LITTLE_ENDIAN
 | |
|  bogus endian macros
 | |
| #endif], [# It does; now see whether it defined to _LITTLE_ENDIAN or not.
 | |
| AC_TRY_COMPILE([#include <sys/types.h>
 | |
| #include <sys/param.h>], [
 | |
| #if BYTE_ORDER != _LITTLE_ENDIAN
 | |
|  not big endian
 | |
| #endif], ac_cv_c_little_endian=yes, ac_cv_c_little_endian=no)
 | |
| ])
 | |
| if test ${ac_cv_c_little_endian} = unknown; then
 | |
| old_cflags=$CFLAGS
 | |
| CFLAGS=-g
 | |
| AC_TRY_RUN([
 | |
| main () {
 | |
|   /* Are we little or big endian?  From Harbison&Steele.  */
 | |
|   union
 | |
|   {
 | |
|     long l;
 | |
|     char c[sizeof (long)];
 | |
|   } u;
 | |
|   u.l = 1;
 | |
|   exit (u.c[0] == 1);
 | |
| }],
 | |
| ac_cv_c_little_endian=no,
 | |
| ac_cv_c_little_endian=yes,[
 | |
| dnl Yes, this is ugly, and only used for a canadian cross anyway. This
 | |
| dnl is just to keep configure from stopping here.
 | |
| case "${host}" in
 | |
| changequote(,)
 | |
|    i[3456789]86-*-*) ac_cv_c_little_endian=yes ;;
 | |
|    sparc*-*-*)    ac_cv_c_little_endian=no ;;
 | |
| changequote([,])
 | |
|   *)    AC_MSG_WARN(Can't cross compile this test) ;;
 | |
| esac])
 | |
| CFLAGS=$old_cflags
 | |
| fi])
 | |
| 
 | |
| if test x"${ac_cv_c_little_endian}" = xyes; then
 | |
|     AC_DEFINE(LITTLE_ENDIAN_HOST)
 | |
|     ENDIAN="CYG_LSBFIRST";
 | |
| else
 | |
|     ENDIAN="CYG_MSBFIRST";
 | |
| fi
 | |
| AC_MSG_RESULT(${ac_cv_c_little_endian})
 | |
| AC_SUBST(ENDIAN)
 | |
| ])
 | |
| 
 | |
| dnl ====================================================================
 | |
| dnl Look for the path to libgcc, so we can use it to directly link
 | |
| dnl in libgcc.a with LD.
 | |
| AC_DEFUN([CYG_AC_PATH_LIBGCC],
 | |
| [AC_MSG_CHECKING([Looking for the path to libgcc.a])
 | |
| AC_LANG_SAVE
 | |
| AC_LANG_C
 | |
| 
 | |
| dnl Get Gcc's full path to libgcc.a
 | |
| libgccpath=`${CC} --print-libgcc`
 | |
| 
 | |
| dnl If we don't have a path with libgcc.a on the end, this isn't G++.
 | |
| if test `echo $libgccpath | sed -e 's:/.*/::'` = libgcc.a ; then
 | |
|    ac_cv_prog_gcc=yes
 | |
| else
 | |
|    ac_cv_prog_gcc=no
 | |
| fi
 | |
| 
 | |
| dnl 
 | |
| if test x"${ac_cv_prog_gcc}" = xyes ; then
 | |
|    gccpath=`echo $libgccpath | sed -e 's:/libgcc.a::'`
 | |
|    LIBGCC="-L${gccpath}"
 | |
|    AC_MSG_RESULT(${gccpath})
 | |
| else
 | |
|    LIBGCC=""
 | |
|    AC_MSG_ERROR(Not using gcc)
 | |
| fi
 | |
| 
 | |
| AC_LANG_RESTORE
 | |
| AC_SUBST(LIBGCC)
 | |
| ])
 |