First import.

1 files changed, 200 insertions, 0 deletions

diff --git a/acinclude.m4 b/acinclude.m4
new file mode 100644
index 0000000..d406121
--- /dev/null
+++ b/acinclude.m4
@@ -0,0 +1,200 @@
+AC_DEFUN(AC_FIND_FILE,
+[
+$2=NO
+for i in $1; do
+  if test -r "$i" ; then
+    $2=$i
+    break 2
+  fi
+done
+])
+
+AC_DEFUN(AC_FIND_CDEV,
+[
+$2=NO
+for i in $1; do
+  if test -c "$i" ; then
+    $2=$i
+    break 2
+  fi
+done
+])
+
+AC_DEFUN(AC_CHECK_COMPILERS,
+[
+  dnl this is somehow a fat lie, but prevents other macros from double checking
+  AC_PROVIDE([AC_PROG_CC])
+  AC_PROVIDE([AC_PROG_CPP])
+  AC_ARG_ENABLE(debug,[  --enable-debug          creates debugging code [default=no]],
+  [ 
+   if test $enableval = "no"; dnl 
+     then ac_use_debug_code="no"
+     else ac_use_debug_code="yes"
+   fi
+  ], [ac_use_debug_code="no"])
+
+  AC_ARG_ENABLE(strict,[  --enable-strict         compiles with strict compiler options (may not work!)],
+   [ 
+    if test $enableval = "no"; then 
+         ac_use_strict_options="no"
+       else 
+         ac_use_strict_options="yes"
+    fi
+   ], [ac_use_strict_options="no"])
+
+dnl this was AC_PROG_CC. I had to include it manualy, since I had to patch it
+  AC_MSG_CHECKING(for a C-Compiler)
+  dnl if there is one, print out. if not, don't matter
+  AC_MSG_RESULT($CC) 
+ 
+  if test -z "$CC"; then AC_CHECK_PROG(CC, gcc, gcc) fi
+  if test -z "$CC"; then AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc) fi
+  if test -z "$CC"; then AC_CHECK_PROG(CC, xlc, xlc) fi
+  test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
+
+  AC_PROG_CC_WORKS
+  AC_PROG_CC_GNU
+
+  if test $ac_cv_prog_gcc = yes; then
+    GCC=yes
+  else
+    GCC=
+  fi
+
+  if test -z "$CFLAGS"; then
+    if test "$ac_use_debug_code" = "yes"; then
+      AC_PROG_CC_G
+      if test $ac_cv_prog_cc_g = yes; then
+        CFLAGS="-g"
+      fi
+    else
+      if test "$GCC" = "yes"; then
+        CFLAGS="-O2"
+      else
+        CFLAGS=""
+      fi
+    fi
+
+    if test "$GCC" = "yes"; then
+     CFLAGS="$CFLAGS -Wall"
+
+     if test "$ac_use_strict_options" = "yes"; then
+	CFLAGS="$CFLAGS -W -ansi -pedantic"     
+     fi
+    fi
+
+  fi
+
+  case "$host" in 
+  *-*-sysv4.2uw*) CFLAGS="$CFLAGS -D_UNIXWARE";;
+  esac
+
+  if test -z "$LDFLAGS" && test "$ac_use_debug_code" = "no" && test "$GCC" = "yes"; then
+     LDFLAGS="-s"
+  fi
+
+
+dnl this is AC_PROG_CPP. I had to include it here, since autoconf checks
+dnl dependecies between AC_PROG_CPP and AC_PROG_CC (or is it automake?)
+
+  AC_MSG_CHECKING(how to run the C preprocessor)
+  # On Suns, sometimes $CPP names a directory.
+  if test -n "$CPP" && test -d "$CPP"; then
+    CPP=
+  fi
+  if test -z "$CPP"; then
+  AC_CACHE_VAL(ac_cv_prog_CPP,
+  [  # This must be in double quotes, not single quotes, because CPP may get
+    # substituted into the Makefile and "${CC-cc}" will confuse make.
+    CPP="${CC-cc} -E"
+    # On the NeXT, cc -E runs the code through the compiler's parser,
+    # not just through cpp.
+    dnl Use a header file that comes with gcc, so configuring glibc    
+    dnl with a fresh cross-compiler works.
+    AC_TRY_CPP([#include <assert.h>
+    Syntax Error], ,
+    CPP="${CC-cc} -E -traditional-cpp"
+    AC_TRY_CPP([#include <assert.h>
+    Syntax Error], , CPP=/lib/cpp))
+    ac_cv_prog_CPP="$CPP"])dnl
+    CPP="$ac_cv_prog_CPP"
+  else
+    ac_cv_prog_CPP="$CPP"
+  fi
+  AC_MSG_RESULT($CPP)
+  AC_SUBST(CPP)dnl
+
+
+  AC_MSG_CHECKING(for a C++-Compiler)
+  dnl if there is one, print out. if not, don't matter
+  AC_MSG_RESULT($CXX) 
+ 
+  if test -z "$CXX"; then AC_CHECK_PROG(CXX, g++, g++) fi
+  if test -z "$CXX"; then AC_CHECK_PROG(CXX, CC, CC) fi
+  if test -z "$CXX"; then AC_CHECK_PROG(CXX, xlC, xlC) fi
+  if test -z "$CXX"; then AC_CHECK_PROG(CXX, DCC, DCC) fi
+  test -z "$CXX" && AC_MSG_ERROR([no acceptable C++-compiler found in \$PATH])
+
+  AC_PROG_CXX_WORKS
+  AC_PROG_CXX_GNU
+
+  if test $ac_cv_prog_gxx = yes; then
+    GXX=yes
+  else
+    AC_MSG_CHECKING(whether we are using SPARC CC)
+    GXX=
+    cat > conftest.C << EOF
+#ifdef __SUNPRO_CC
+   yes;
+#endif
+EOF
+
+    ac_try="$CXX -E conftest.C"
+    if { (eval echo configure:__online__: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } | egrep yes >/dev/null 2>&1; then
+      ac_cv_prog_CC=yes
+    else
+      ac_cv_prog_CC=no
+    fi
+    AC_MSG_RESULT($ac_cv_prog_CC)
+  fi
+
+  if test -z "$CXXFLAGS"; then 
+    if test "$ac_use_debug_code" = "yes"; then
+      AC_PROG_CXX_G
+      if test $ac_cv_prog_cxx_g = yes; then
+        CXXFLAGS="-g"
+      fi
+      if test "$ac_cv_prog_CC" = "yes"; then
+        CXXFLAGS="$CXXFLAGS -pto"
+      fi
+    else
+      if test "$GXX" = "yes"; then
+         CXXFLAGS="-O2"
+      else
+         if test "$ac_cv_prog_CC" = "yes"; then
+            CXXFLAGS="-pto -O2"
+         else
+            CXXFLAGS=""
+         fi
+      fi
+    fi
+
+    if test "$GXX" = "yes"; then
+       CXXFLAGS="$CXXFLAGS -Wall"
+ 
+       if test "$ac_use_strict_options" = "yes"; then
+	CXXFLAGS="$CXXFLAGS -W -ansi -Wtraditional  -Wpointer-arith -Wcast-qual -Wcast-align -Wwrite-strings -Woverloaded-virtual -Wbad-function-cast  -Wsynth"
+       fi
+
+       if test "$ac_very_strict" = "yes"; then
+         CXXFLAGS="$CXXFLAGS -Wold-style-cast -Wshadow -Wredundant-decls -Wconversion"
+       fi
+    fi
+  fi  
+
+    case "$host" in
+      *-*-sysv4.2uw*) CXXFLAGS="$CXXFLAGS -D_UNIXWARE";;
+    esac    
+
+])
+