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Support for HP-UX cross compiling of libtsdc++-v3



While working on the IA64 HP-UX port of GCC we have found it useful to
have a version that runs on PA and generates code for IA64.  To this end
I added code in libstdc++-v3 configure.in to support this cross
compiler.  Since it had a lot of duplication with the linux cross
compiling support, which in turn duplicated a lot of the generic cross
compling support I merged the common stuff instead of having 3 copies of
it and only put what was actually different between the platforms in a
case statement.  Thus configure.in is 5 lines shorter then it was
instead of 50+ lines longer.

I would like this reviewed and checked in if it is OK, I tested it by
building an HPPA to IA64 HP-UX cross compiler and running the g++
testsuite.

Steve Ellcey
sje@cup.hp.com


2001-12-03  Steve Ellcey  <sje@cup.hp.com>

	* libstdc++-v3/configure.in: Add support for hpux cross compiles,
	combine common linux/hpux/generic cross compile support to reduce
	redundent lines.
	* libstdc++-v3/configure: Regenerate.


--- orig/gcc/libstdc++-v3/configure.in	Mon Dec  3 10:14:24 2001
+++ gcc/libstdc++-v3/configure.in	Mon Dec  3 10:14:53 2001
@@ -77,133 +77,128 @@ if test -n "$with_cross_host" || test x"
     CANADIAN=no
   fi
 
+  # Construct crosses by hand, eliminating bits that need ld...
+  # GLIBCPP_CHECK_COMPILER_FEATURES
+  # GLIBCPP_CHECK_BUILTIN_MATH_SUPPORT
+  # GLIBCPP_CHECK_MATH_SUPPORT
+
   case "$target_alias" in
     *-linux*)
-	# Construct linux crosses by hand, eliminating bits that need ld...
-        # Check for available headers.
-        AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h \
+      # Check for available headers.
+      AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h \
 	machine/endian.h machine/param.h sys/machine.h sys/types.h \
 	fp.h locale.h float.h inttypes.h])
-
-	# GLIBCPP_CHECK_COMPILER_FEATURES
-	SECTION_FLAGS='-ffunction-sections -fdata-sections'
-	AC_SUBST(SECTION_FLAGS)
-	GLIBCPP_CHECK_LINKER_FEATURES
-	# GLIBCPP_CHECK_BUILTIN_MATH_SUPPORT
-	# GLIBCPP_CHECK_MATH_SUPPORT
-	AC_DEFINE(HAVE_ACOSF)
-	AC_DEFINE(HAVE_ASINF)
-	AC_DEFINE(HAVE_ATAN2F)
-	AC_DEFINE(HAVE_ATANF)
-	AC_DEFINE(HAVE_CEILF)
-	AC_DEFINE(HAVE_COPYSIGN)
-	AC_DEFINE(HAVE_COPYSIGNF)
-	AC_DEFINE(HAVE_COSF)
-	AC_DEFINE(HAVE_COSHF)
-	AC_DEFINE(HAVE_EXPF)
-	AC_DEFINE(HAVE_FABSF)
-	AC_DEFINE(HAVE_FINITE)
-	AC_DEFINE(HAVE_FINITEF)
-	AC_DEFINE(HAVE_FLOORF)
-	AC_DEFINE(HAVE_FMODF)
-	AC_DEFINE(HAVE_FREXPF)
-	AC_DEFINE(HAVE_HYPOTF)
-	AC_DEFINE(HAVE_ISINF)
-	AC_DEFINE(HAVE_ISINFF)
-	AC_DEFINE(HAVE_ISNAN)
-	AC_DEFINE(HAVE_ISNANF)
-	AC_DEFINE(HAVE_LDEXPF)
-	AC_DEFINE(HAVE_LOG10F)
-	AC_DEFINE(HAVE_LOGF)
-	AC_DEFINE(HAVE_MODFF)
-	AC_DEFINE(HAVE_POWF)
-	AC_DEFINE(HAVE_SINCOS)
-	AC_DEFINE(HAVE_SINCOSF)
-	AC_DEFINE(HAVE_SINF)
-	AC_DEFINE(HAVE_SINHF)
-	AC_DEFINE(HAVE_SQRTF)
-	AC_DEFINE(HAVE_TANF)
-	AC_DEFINE(HAVE_TANHF)
-
-	# At some point, we should differentiate between architectures
-	# like x86, which have long double versions, and alpha/powerpc/etc.,
-	# which don't. For the time being, punt.
-	if test x"long_double_math_on_this_cpu" = x"yes"; then
-	  AC_DEFINE(HAVE_ACOSL)
-	  AC_DEFINE(HAVE_ASINL)
-	  AC_DEFINE(HAVE_ATAN2L)
-	  AC_DEFINE(HAVE_ATANL)
-	  AC_DEFINE(HAVE_CEILL)
-	  AC_DEFINE(HAVE_COPYSIGNL)
-	  AC_DEFINE(HAVE_COSL)
-	  AC_DEFINE(HAVE_COSHL)
-	  AC_DEFINE(HAVE_EXPL)
-	  AC_DEFINE(HAVE_FABSL)
-	  AC_DEFINE(HAVE_FINITEL)
-	  AC_DEFINE(HAVE_FLOORL)
-	  AC_DEFINE(HAVE_FMODL)
-	  AC_DEFINE(HAVE_FREXPL)
-	  AC_DEFINE(HAVE_HYPOTL)
-	  AC_DEFINE(HAVE_ISINFL)
-	  AC_DEFINE(HAVE_ISNANL)
-	  AC_DEFINE(HAVE_LDEXPL)
-	  AC_DEFINE(HAVE_LOG10L)
-	  AC_DEFINE(HAVE_LOGL)
-	  AC_DEFINE(HAVE_MODFL)
-	  AC_DEFINE(HAVE_POWL)
-	  AC_DEFINE(HAVE_SINCOSL)
-	  AC_DEFINE(HAVE_SINL)
-	  AC_DEFINE(HAVE_SINHL)
-	  AC_DEFINE(HAVE_SQRTL)
-	  AC_DEFINE(HAVE_TANL)
-	  AC_DEFINE(HAVE_TANHL)
-	fi
-	GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT
-	GLIBCPP_CHECK_WCHAR_T_SUPPORT
-	os_include_dir="config/os/gnu-linux"
-	# GLIBCPP_CHECK_STDLIB_SUPPORT
-	AC_DEFINE(HAVE_STRTOF)        
-	AC_DEFINE(HAVE_STRTOLD)        
-	# AC_FUNC_MMAP
-	AC_DEFINE(HAVE_MMAP)
-	;;
+      SECTION_FLAGS='-ffunction-sections -fdata-sections'
+      AC_SUBST(SECTION_FLAGS)
+      GLIBCPP_CHECK_LINKER_FEATURES
+      GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT
+      GLIBCPP_CHECK_WCHAR_T_SUPPORT
+      os_include_dir="config/os/gnu-linux"
+      AC_DEFINE(HAVE_COPYSIGN)
+      AC_DEFINE(HAVE_COPYSIGNF)
+      AC_DEFINE(HAVE_FINITEF)
+      AC_DEFINE(HAVE_FREXPF)
+      AC_DEFINE(HAVE_HYPOTF)
+      AC_DEFINE(HAVE_SINCOS)
+      AC_DEFINE(HAVE_SINCOSF)
+      if test x"long_double_math_on_this_cpu" = x"yes"; then
+	AC_DEFINE(HAVE_HYPOTL)
+      fi
+      ;;
+    *-hpux*)
+      # Check for available headers.
+      AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h \
+	machine/endian.h machine/param.h sys/machine.h sys/types.h \
+	fp.h locale.h float.h inttypes.h])
+      SECTION_FLAGS='-ffunction-sections -fdata-sections'
+      AC_SUBST(SECTION_FLAGS)
+      GLIBCPP_CHECK_LINKER_FEATURES
+      GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT
+      GLIBCPP_CHECK_WCHAR_T_SUPPORT
+      os_include_dir="config/os/hpux"
+      AC_DEFINE(HAVE_COPYSIGN)
+      AC_DEFINE(HAVE_COPYSIGNF)
+      AC_DEFINE(HAVE_FINITEF)
+      AC_DEFINE(HAVE_FREXPF)
+      AC_DEFINE(HAVE_HYPOT)
+      AC_DEFINE(HAVE_SINCOS)
+      AC_DEFINE(HAVE_SINCOSF)
+      ;;
     *)
-	# We assume newlib. 
-	# GLIBCPP_CHECK_BUILTIN_MATH_SUPPORT
-	# GLIBCPP_CHECK_MATH_SUPPORT
-	AC_DEFINE(HAVE_FINITE)
-	AC_DEFINE(HAVE_HYPOT)
-	AC_DEFINE(HAVE_ISNAN)
-	AC_DEFINE(HAVE_ISINF)
+      os_include_dir="config/os/newlib"
+      AC_DEFINE(HAVE_HYPOT)
+      ;;
+  esac
 
-	AC_DEFINE(HAVE_ACOSF)
-	AC_DEFINE(HAVE_ASINF)
-	AC_DEFINE(HAVE_ATAN2F)
-	AC_DEFINE(HAVE_ATANF)
-	AC_DEFINE(HAVE_CEILF)
-	AC_DEFINE(HAVE_COSF)
-	AC_DEFINE(HAVE_COSHF)
-	AC_DEFINE(HAVE_EXPF)
-	AC_DEFINE(HAVE_FABSF)
-	AC_DEFINE(HAVE_FLOORF)
-	AC_DEFINE(HAVE_FMODF)
-	AC_DEFINE(HAVE_HYPOTF)
-	AC_DEFINE(HAVE_ISNANF)
-	AC_DEFINE(HAVE_ISINFF)
-	AC_DEFINE(HAVE_LDEXPF)
-	AC_DEFINE(HAVE_LOG10F)
-	AC_DEFINE(HAVE_LOGF)
-	AC_DEFINE(HAVE_MODFF)
-	AC_DEFINE(HAVE_POWF)
-	AC_DEFINE(HAVE_SINF)
-	AC_DEFINE(HAVE_SINHF)
-	AC_DEFINE(HAVE_SQRTF)
-	AC_DEFINE(HAVE_TANF)
-	AC_DEFINE(HAVE_TANHF)
+  # GLIBCPP_CHECK_STDLIB_SUPPORT
+  AC_DEFINE(HAVE_STRTOF)        
+  AC_DEFINE(HAVE_STRTOLD)        
+  # AC_FUNC_MMAP
+  AC_DEFINE(HAVE_MMAP)
 
-	os_include_dir="config/os/newlib"
-	;;
-  esac
+  AC_DEFINE(HAVE_ACOSF)
+  AC_DEFINE(HAVE_ASINF)
+  AC_DEFINE(HAVE_ATAN2F)
+  AC_DEFINE(HAVE_ATANF)
+  AC_DEFINE(HAVE_CEILF)
+  AC_DEFINE(HAVE_COPYSIGN)
+  AC_DEFINE(HAVE_COPYSIGNF)
+  AC_DEFINE(HAVE_COSF)
+  AC_DEFINE(HAVE_COSHF)
+  AC_DEFINE(HAVE_EXPF)
+  AC_DEFINE(HAVE_FABSF)
+  AC_DEFINE(HAVE_FINITE)
+  AC_DEFINE(HAVE_FINITEF)
+  AC_DEFINE(HAVE_FLOORF)
+  AC_DEFINE(HAVE_FMODF)
+  AC_DEFINE(HAVE_FREXPF)
+  AC_DEFINE(HAVE_ISINF)
+  AC_DEFINE(HAVE_ISINFF)
+  AC_DEFINE(HAVE_ISNAN)
+  AC_DEFINE(HAVE_ISNANF)
+  AC_DEFINE(HAVE_LDEXPF)
+  AC_DEFINE(HAVE_LOG10F)
+  AC_DEFINE(HAVE_LOGF)
+  AC_DEFINE(HAVE_MODFF)
+  AC_DEFINE(HAVE_POWF)
+  AC_DEFINE(HAVE_SINF)
+  AC_DEFINE(HAVE_SINHF)
+  AC_DEFINE(HAVE_SQRTF)
+  AC_DEFINE(HAVE_TANF)
+  AC_DEFINE(HAVE_TANHF)
+
+  # At some point, we should differentiate between architectures
+  # like x86, which have long double versions, and alpha/powerpc/etc.,
+  # which don't. For the time being, punt.
+  if test x"long_double_math_on_this_cpu" = x"yes"; then
+    AC_DEFINE(HAVE_ACOSL)
+    AC_DEFINE(HAVE_ASINL)
+    AC_DEFINE(HAVE_ATAN2L)
+    AC_DEFINE(HAVE_ATANL)
+    AC_DEFINE(HAVE_CEILL)
+    AC_DEFINE(HAVE_COPYSIGNL)
+    AC_DEFINE(HAVE_COSL)
+    AC_DEFINE(HAVE_COSHL)
+    AC_DEFINE(HAVE_EXPL)
+    AC_DEFINE(HAVE_FABSL)
+    AC_DEFINE(HAVE_FINITEL)
+    AC_DEFINE(HAVE_FLOORL)
+    AC_DEFINE(HAVE_FMODL)
+    AC_DEFINE(HAVE_FREXPL)
+    AC_DEFINE(HAVE_ISINFL)
+    AC_DEFINE(HAVE_ISNANL)
+    AC_DEFINE(HAVE_LDEXPL)
+    AC_DEFINE(HAVE_LOG10L)
+    AC_DEFINE(HAVE_LOGL)
+    AC_DEFINE(HAVE_MODFL)
+    AC_DEFINE(HAVE_POWL)
+    AC_DEFINE(HAVE_SINCOSL)
+    AC_DEFINE(HAVE_SINL)
+    AC_DEFINE(HAVE_SINHL)
+    AC_DEFINE(HAVE_SQRTL)
+    AC_DEFINE(HAVE_TANL)
+    AC_DEFINE(HAVE_TANHL)
+  fi
 else
 
   # We are being configured natively. We can do more elaborate tests


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