* Makefile.tpl: Introduce rules to serialize subconfigure runs.
[deliverable/binutils-gdb.git] / config-ml.in
index 4909a4905ca77c043a7d34f8b23f73fe087bc716..aae3f87fe74e5d9538e68ccde051aba58a83c1b1 100644 (file)
 # We have to handle being invoked by both Cygnus configure and Autoconf.
 #
 # Cygnus configure incoming variables:
-# srcdir, subdir, target, arguments
+# srcdir, subdir, host, arguments
 #
 # Autoconf incoming variables:
-# srcdir, target, ac_configure_args
+# srcdir, host, ac_configure_args
 #
-# We *could* figure srcdir and target out, but we'd have to do work that
+# We *could* figure srcdir and host out, but we'd have to do work that
 # our caller has already done to figure them out and requiring these two
 # seems reasonable.
+# Note that `host' in this case is GCC's `target'.  Target libraries are
+# configured for a particular host.
 
 if [ -n "${ac_configure_args}" ]; then
   Makefile=${ac_file-Makefile}
@@ -204,7 +206,10 @@ for i in `${CC-gcc} --print-multi-lib 2>/dev/null`; do
   fi
 done
 
-case "${target}" in
+# Target libraries are configured for the host they run on, so we check
+# $host here, not $target.
+
+case "${host}" in
 arc-*-elf*)
        if [ x$enable_biendian != xyes ]
        then
@@ -218,21 +223,75 @@ arc-*-elf*)
          done
        fi
        ;;
-# start-sanitize-m32rx
-m32r-*-*)
-       if [ x$enable_m32rx = xno ]
+arm-*-*)
+       if [ x"$enable_fpu" = xno ]
        then
          old_multidirs=${multidirs}
          multidirs=""
          for x in ${old_multidirs}; do
            case "${x}" in
-             *m32rx*) : ;;
+             *fpu*) : ;;
+             *) multidirs="${multidirs} ${x}" ;;
+           esac
+         done
+       fi
+       if [ x"$enable_26bit" = xno ]
+       then
+         old_multidirs=${multidirs}
+         multidirs=""
+         for x in ${old_multidirs}; do
+           case "${x}" in
+             *26bit*) : ;;
+             *) multidirs="${multidirs} ${x}" ;;
+           esac
+         done
+       fi
+       if [ x"$enable_underscore" = xno ]
+       then
+         old_multidirs=${multidirs}
+         multidirs=""
+         for x in ${old_multidirs}; do
+           case "${x}" in
+             *under*) : ;;
+             *) multidirs="${multidirs} ${x}" ;;
+           esac
+         done
+       fi
+       if [ x"$enable_interwork" = xno ]
+       then
+         old_multidirs=${multidirs}
+         multidirs=""
+         for x in ${old_multidirs}; do
+           case "${x}" in
+             *interwork*) : ;;
+             *) multidirs="${multidirs} ${x}" ;;
+           esac
+         done
+       fi
+       if [ x$enable_biendian = xno ]
+       then
+         old_multidirs="${multidirs}"
+         multidirs=""
+         for x in ${old_multidirs}; do
+           case "$x" in
+             *le* ) : ;;
+             *be* ) : ;;
+             *) multidirs="${multidirs} ${x}" ;;
+           esac
+         done
+       fi
+       if [ x"$enable_nofmult" = xno ]
+       then
+         old_multidirs="${multidirs}"
+         multidirs=""
+         for x in ${old_multidirs}; do
+           case "$x" in
+             *nofmult* ) : ;;
              *) multidirs="${multidirs} ${x}" ;;
            esac
          done
        fi
        ;;
-# end-sanitize-m32rx
 m68*-*-*)
        if [ x$enable_softfloat = xno ]
        then
@@ -314,6 +373,28 @@ mips*-*-*)
            esac
          done
        fi
+       case " $multidirs " in
+       *" mabi=64 "*)
+         # We will not be able to create libraries with -mabi=64 if
+         # we cannot even link a trivial program.  It usually
+         # indicates the 64bit libraries are missing.
+         if echo 'main() {}' > conftest.c &&
+            ${CC-gcc} -mabi=64 conftest.c -o conftest; then
+           :
+         else
+           echo Could not link program with -mabi=64, disabling it.
+           old_multidirs="${multidirs}"
+           multidirs=""
+           for x in ${old_multidirs}; do
+             case "$x" in
+             *mabi=64* ) : ;;
+             *) multidirs="${multidirs} ${x}" ;;
+             esac
+           done
+         fi
+         rm -f conftest.c conftest
+         ;;
+       esac
        ;;
 powerpc*-*-* | rs6000*-*-*)
        if [ x$enable_softfloat = xno ]
@@ -394,6 +475,30 @@ powerpc*-*-* | rs6000*-*-*)
          done
        fi
        ;;
+sparc*-*-*)
+       case " $multidirs " in
+       *" m64 "*)
+         # We will not be able to create libraries with -m64 if
+         # we cannot even link a trivial program.  It usually
+         # indicates the 64bit libraries are missing.
+         if echo 'main() {}' > conftest.c &&
+            ${CC-gcc} -m64 conftest.c -o conftest; then
+           :
+         else
+           echo Could not link program with -m64, disabling it.
+           old_multidirs="${multidirs}"
+           multidirs=""
+           for x in ${old_multidirs}; do
+             case "$x" in
+             *m64* ) : ;;
+             *) multidirs="${multidirs} ${x}" ;;
+             esac
+           done
+         fi
+         rm -f conftest.c conftest
+         ;;
+       esac
+       ;;
 esac
 
 # Remove extraneous blanks from multidirs.
@@ -405,14 +510,16 @@ multidirs=`echo "$multidirs" | sed -e 's/^[ ][ ]*//' -e 's/[ ][ ]*$//' -e 's/[ ]
 
 cat > Multi.tem <<\EOF
 
+PWD=$${PWDCMD-pwd}
+
 # FIXME: There should be an @-sign in front of the `if'.
 # Leave out until this is tested a bit more.
 multi-do:
        if [ -z "$(MULTIDIRS)" ]; then \
          true; \
        else \
-         rootpre=`pwd`/; export rootpre; \
-         srcrootpre=`cd $(srcdir); pwd`/; export srcrootpre; \
+         rootpre=`${PWD}`/; export rootpre; \
+         srcrootpre=`cd $(srcdir); ${PWD}`/; export srcrootpre; \
          lib=`echo $${rootpre} | sed -e 's,^.*/\([^/][^/]*\)/$$,\1,'`; \
          compiler="$(CC)"; \
          for i in `$${compiler} --print-multi-lib 2>/dev/null`; do \
@@ -424,10 +531,13 @@ multi-do:
                flags=`echo $$i | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`; \
                if (cd ../$${dir}/$${lib}; $(MAKE) $(FLAGS_TO_PASS) \
                                CFLAGS="$(CFLAGS) $${flags}" \
+                               prefix="$(prefix)" \
+                               exec_prefix="$(exec_prefix)" \
                                CXXFLAGS="$(CXXFLAGS) $${flags}" \
                                LIBCFLAGS="$(LIBCFLAGS) $${flags}" \
                                LIBCXXFLAGS="$(LIBCXXFLAGS) $${flags}" \
                                LDFLAGS="$(LDFLAGS) $${flags}" \
+                               DESTDIR="$(DESTDIR)" \
                                $(DO)); then \
                  true; \
                else \
@@ -445,7 +555,7 @@ multi-clean:
        if [ -z "$(MULTIDIRS)" ]; then \
          true; \
        else \
-         lib=`pwd | sed -e 's,^.*/\([^/][^/]*\)$$,\1,'`; \
+         lib=`${PWD} | sed -e 's,^.*/\([^/][^/]*\)$$,\1,'`; \
          for dir in Makefile $(MULTIDIRS); do \
            if [ -f ../$${dir}/$${lib}/Makefile ]; then \
              if (cd ../$${dir}/$${lib}; $(MAKE) $(FLAGS_TO_PASS) $(DO)); \
@@ -552,10 +662,10 @@ if [ -n "${multidirs}" ] && [ -z "${ml_norecursion}" ]; then
 
   if [ "${ml_verbose}" = --verbose ]; then
     echo "Running configure in multilib subdirs ${multidirs}"
-    echo "pwd: `pwd`"
+    echo "pwd: `${PWDCMD-pwd}`"
   fi
 
-  ml_origdir=`pwd`
+  ml_origdir=`${PWDCMD-pwd}`
   ml_libdir=`echo $ml_origdir | sed -e 's,^.*/,,'`
   # cd to top-level-build-dir/${with_target_subdir}
   cd ..
@@ -564,10 +674,27 @@ if [ -n "${multidirs}" ] && [ -z "${ml_norecursion}" ]; then
 
     if [ "${ml_verbose}" = --verbose ]; then
       echo "Running configure in multilib subdir ${ml_dir}"
-      echo "pwd: `pwd`"
+      echo "pwd: `${PWDCMD-pwd}`"
     fi
 
-    if [ -d ${ml_dir} ]; then true; else mkdir ${ml_dir}; fi
+    if [ -d ${ml_dir} ]; then true; else
+      # ``mkdir -p ${ml_dir}'' See also mkinstalldirs.
+      pathcomp=""
+      for d in `echo ":${ml_dir}" | sed -ne 's/^:\//#/;s/^://;s/\// /g;s/^#/\//;p'`; do
+        pathcomp="$pathcomp$d"
+        case "$pathcomp" in
+          -* ) pathcomp=./$pathcomp ;;
+        esac
+        if test ! -d "$pathcomp"; then
+           echo "mkdir $pathcomp" 1>&2
+           mkdir "$pathcomp" > /dev/null 2>&1 || lasterr=$?
+        fi
+        if test ! -d "$pathcomp"; then
+          exit $lasterr
+        fi
+        pathcomp="$pathcomp/"
+      done
+    fi
     if [ -d ${ml_dir}/${ml_libdir} ]; then true; else mkdir ${ml_dir}/${ml_libdir}; fi
 
     # Eg: if ${ml_dir} = m68000/m68881, dotdot = ../../
@@ -575,7 +702,7 @@ if [ -n "${multidirs}" ] && [ -z "${ml_norecursion}" ]; then
 
     case ${srcdir} in
     ".")
-      echo Building symlink tree in `pwd`/${ml_dir}/${ml_libdir}
+      echo Building symlink tree in `${PWDCMD-pwd}`/${ml_dir}/${ml_libdir}
       if [ "${with_target_subdir}" != "." ]; then
        ml_unsubdir="../"
       else
@@ -618,9 +745,86 @@ if [ -n "${multidirs}" ] && [ -z "${ml_norecursion}" ]; then
     cd ${ml_dir}/${ml_libdir}
 
     if [ -f ${ml_newsrcdir}/configure ]; then
-      ml_recprog=${ml_newsrcdir}/configure
+      ml_recprog="${ml_newsrcdir}/configure --cache-file=../config.cache"
+    fi
+
+    # find compiler flag corresponding to ${ml_dir}
+    for i in `${CC-gcc} --print-multi-lib 2>/dev/null`; do 
+      dir=`echo $i | sed -e 's/;.*$//'`
+      if [ "${dir}" = "${ml_dir}" ]; then
+        flags=`echo $i | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`
+        break
+      fi
+    done
+    ml_config_env='CC="${CC_}$flags" CXX="${CXX_}$flags"'
+
+    if [ "${with_target_subdir}" = "." ]; then
+       CC_=$CC' '
+       CXX_=$CXX' '
+    else
+       # Create a regular expression that matches any string as long
+       # as ML_POPDIR.
+       popdir_rx=`echo ${ML_POPDIR} | sed 's,.,.,g'`
+       CC_=
+       for arg in ${CC}; do
+         case $arg in
+         -[BIL]"${ML_POPDIR}"/*)
+           CC_="${CC_}"`echo "X${arg}" | sed -n "s/X\\(-[BIL]${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X-[BIL]${popdir_rx}\\(.*\\)/\1/p"`' ' ;;
+         "${ML_POPDIR}"/*)
+           CC_="${CC_}"`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
+         *)
+           CC_="${CC_}${arg} " ;;
+         esac
+       done
+
+       CXX_=
+       for arg in ${CXX}; do
+         case $arg in
+         -[BIL]"${ML_POPDIR}"/*)
+           CXX_="${CXX_}"`echo "X${arg}" | sed -n "s/X\\(-[BIL]${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X-[BIL]${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
+         "${ML_POPDIR}"/*)
+           CXX_="${CXX_}"`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
+         *)
+           CXX_="${CXX_}${arg} " ;;
+         esac
+       done
+
+       if test "x${LD_LIBRARY_PATH+set}" = xset; then
+         LD_LIBRARY_PATH_=
+         for arg in `echo "$LD_LIBRARY_PATH" | tr ':' ' '`; do
+           case "$arg" in
+           "${ML_POPDIR}"/*)
+             arg=`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`
+             ;;
+           esac
+           if test "x$LD_LIBRARY_PATH_" != x; then
+             LD_LIBRARY_PATH_=$LD_LIBRARY_PATH_:$arg
+           else
+             LD_LIBRARY_PATH_=$arg
+           fi
+          done
+         ml_config_env="$ml_config_env LD_LIBRARY_PATH=$LD_LIBRARY_PATH_"
+       fi
+
+       if test "x${SHLIB_PATH+set}" = xset; then
+         SHLIB_PATH_=
+         for arg in `echo "$SHLIB_PATH" | tr ':' ' '`; do
+           case "$arg" in
+           "${ML_POPDIR}"/*)
+             arg=`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`
+             ;;
+           esac
+           if test "x$SHLIB_PATH_" != x; then
+             SHLIB_PATH_=$SHLIB_PATH_:$arg
+           else
+             SHLIB_PATH_=$arg
+           fi
+          done
+         ml_config_env="$ml_config_env SHLIB_PATH=$SHLIB_PATH_"
+       fi
     fi
-    if eval ${ml_config_shell} ${ml_recprog} \
+
+    if eval ${ml_config_env} ${ml_config_shell} ${ml_recprog} \
        --with-multisubdir=${ml_dir} --with-multisrctop=${multisrctop} \
        ${ml_arguments} ${ml_srcdiroption} ; then
       true
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