acinclude.m4 (CXX): Set to CXX so that in-directory re-configures find the build compiler.

2001-04-23  Benjamin Kosnik  <bkoz@fillmore.constant.com>

	* acinclude.m4 (CXX): Set to CXX so that in-directory
	re-configures find the build compiler.
	(GLIBCPP_ENABLE_C99): Do all tests with 0.0, not 0. Fixes
	libstdc++/2609.
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

From-SVN: r41506

libstdc++-v3/ChangeLog

+2001-04-23  Benjamin Kosnik  <bkoz@fillmore.constant.com>
+
+	* acinclude.m4 (CXX): Set to CXX so that in-directory
+	re-configures find the build compiler.
+	(GLIBCPP_ENABLE_C99): Do all tests with 0.0, not 0. Fixes
+	libstdc++/2609.
+	* aclocal.m4: Regenerate.
+	* configure: Regenerate.
+
 2001-04-20  Benjamin Kosnik  <bkoz@redhat.com>
 
 	* acinclude.m4 (GLIBCPP_ENABLE_LONG_LONG): Make sure required C99

libstdc++-v3/acinclude.m4

@@ -85,6 +85,7 @@ AC_PROVIDE([AC_PROG_CXX])
 glibcpp_CXX=$CXX
 AC_CHECK_PROGS(glibcpp_CXX, $CCC c++ g++ gcc CC cxx cc++, gcc)
 AC_SUBST(glibcpp_CXX)
+CXX=$glibcpp_CXX
 test -z "$glibcpp_CXX" && AC_MSG_ERROR([no acceptable c++ found in \$PATH])
 
 AC_PROG_CXX_GNU
@@ -1354,12 +1355,15 @@ AC_DEFUN(GLIBCPP_ENABLE_C99, [dnl
   AC_TRY_COMPILE([#include <math.h>],[isnan(0.0);],, [ac_c99_math=no])
   AC_TRY_COMPILE([#include <math.h>],[isnormal(0.0);],, [ac_c99_math=no])
   AC_TRY_COMPILE([#include <math.h>],[signbit(0.0);],, [ac_c99_math=no])
-  AC_TRY_COMPILE([#include <math.h>],[isgreater(0,0);],, [ac_c99_math=no])
-  AC_TRY_COMPILE([#include <math.h>],[isgreaterequal(0,0);],, [ac_c99_math=no])
-  AC_TRY_COMPILE([#include <math.h>],[isless(0,0);],, [ac_c99_math=no])
-  AC_TRY_COMPILE([#include <math.h>],[islessequal(0,0);],, [ac_c99_math=no])
-  AC_TRY_COMPILE([#include <math.h>],[islessgreater(0,0);],, [ac_c99_math=no])
-  AC_TRY_COMPILE([#include <math.h>],[isunordered(0,0);],, [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],[isgreater(0.0,0.0);],, [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],
+                 [isgreaterequal(0.0,0.0);], , [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],[isless(0.0,0.0);],, [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],[islessequal(0.0,0.0);],,[ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],
+	         [islessgreater(0.0,0.0);], , [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],
+	         [isunordered(0.0,0.0);], , [ac_c99_math=no])
 
   # Check for the existence in <stdlib.h> of lldiv_t, et. al.
   AC_CHECK_FUNC(strtoll,,ac_c99_stdlib=no)

libstdc++-v3/aclocal.m4

@@ -97,6 +97,7 @@ AC_PROVIDE([AC_PROG_CXX])
 glibcpp_CXX=$CXX
 AC_CHECK_PROGS(glibcpp_CXX, $CCC c++ g++ gcc CC cxx cc++, gcc)
 AC_SUBST(glibcpp_CXX)
+CXX=$glibcpp_CXX
 test -z "$glibcpp_CXX" && AC_MSG_ERROR([no acceptable c++ found in \$PATH])
 
 AC_PROG_CXX_GNU
@@ -1366,12 +1367,15 @@ AC_DEFUN(GLIBCPP_ENABLE_C99, [dnl
   AC_TRY_COMPILE([#include <math.h>],[isnan(0.0);],, [ac_c99_math=no])
   AC_TRY_COMPILE([#include <math.h>],[isnormal(0.0);],, [ac_c99_math=no])
   AC_TRY_COMPILE([#include <math.h>],[signbit(0.0);],, [ac_c99_math=no])
-  AC_TRY_COMPILE([#include <math.h>],[isgreater(0,0);],, [ac_c99_math=no])
-  AC_TRY_COMPILE([#include <math.h>],[isgreaterequal(0,0);],, [ac_c99_math=no])
-  AC_TRY_COMPILE([#include <math.h>],[isless(0,0);],, [ac_c99_math=no])
-  AC_TRY_COMPILE([#include <math.h>],[islessequal(0,0);],, [ac_c99_math=no])
-  AC_TRY_COMPILE([#include <math.h>],[islessgreater(0,0);],, [ac_c99_math=no])
-  AC_TRY_COMPILE([#include <math.h>],[isunordered(0,0);],, [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],[isgreater(0.0,0.0);],, [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],
+                 [isgreaterequal(0.0,0.0);], , [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],[isless(0.0,0.0);],, [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],[islessequal(0.0,0.0);],,[ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],
+	         [islessgreater(0.0,0.0);], , [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],
+	         [isunordered(0.0,0.0);], , [ac_c99_math=no])
 
   # Check for the existence in <stdlib.h> of lldiv_t, et. al.
   AC_CHECK_FUNC(strtoll,,ac_c99_stdlib=no)