From 5ffd49b80090449894c03b350d2279d97d535de5 Mon Sep 17 00:00:00 2001
From: John David Anglin <dave@hiauly1.hia.nrc.ca>
Date: Thu, 14 Jun 2001 03:51:26 +0000
Subject: [PATCH] Blow away a duplicate definition of "pow()" for C++

From-SVN: r43358
---
 gcc/ChangeLog           |  4 +++
 gcc/fixinc/fixincl.x    | 54 ++++++++++++++++++++++++++++++++++++++---
 gcc/fixinc/inclhack.def | 33 +++++++++++++++++++++++++
 3 files changed, 88 insertions(+), 3 deletions(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1deae2b9323..cdf54c68a75 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2001-06-13  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+	* inclhack.def (hpux10_cpp_pow_inline): New hack.
+
 2001-06-13  Richard Henderson  <rth@redhat.com>
 
 	* ifcvt.c (dead_or_predicable): Fix return value last patch.
diff --git a/gcc/fixinc/fixincl.x b/gcc/fixinc/fixincl.x
index da19e6c34e8..2dde85afcbb 100644
--- a/gcc/fixinc/fixincl.x
+++ b/gcc/fixinc/fixincl.x
@@ -5,7 +5,7 @@
  * files which are fixed to work correctly with ANSI C and placed in a
  * directory that GNU C will search.
  *
- * This file contains 139 fixup descriptions.
+ * This file contains 140 fixup descriptions.
  *
  * See README for more information.
  *
@@ -1943,6 +1943,48 @@ static const char* apzHp_SysfilePatch[] = {
     "\\(\\.\\.\\.\\)",
     (char*)NULL };
 
+/* * * * * * * * * * * * * * * * * * * * * * * * * *
+ *
+ *  Description of Hpux10_Cpp_Pow_Inline fix
+ */
+tSCC zHpux10_Cpp_Pow_InlineName[] =
+     "hpux10_cpp_pow_inline";
+
+/*
+ *  File name selection pattern
+ */
+tSCC zHpux10_Cpp_Pow_InlineList[] =
+  "|math.h|";
+/*
+ *  Machine/OS name selection pattern
+ */
+#define apzHpux10_Cpp_Pow_InlineMachs (const char**)NULL
+
+/*
+ *  content selection pattern - do fix if pattern found
+ */
+tSCC zHpux10_Cpp_Pow_InlineSelect0[] =
+       "^# +ifdef +__cplusplus\n\
+ +}\n\
+ +inline +double +pow\\(double +__d,int +__expon\\) +{\n\
+[ \t]+return +pow\\(__d,\\(double\\)__expon\\);\n\
+ +}\n\
+ +extern +\"C\" +{\n\
+#else\n\
+# +endif";
+
+#define    HPUX10_CPP_POW_INLINE_TEST_CT  1
+static tTestDesc aHpux10_Cpp_Pow_InlineTests[] = {
+  { TT_EGREP,    zHpux10_Cpp_Pow_InlineSelect0, (regex_t*)NULL }, };
+
+/*
+ *  Fix Command Arguments for Hpux10_Cpp_Pow_Inline
+ */
+static const char* apzHpux10_Cpp_Pow_InlinePatch[] = {
+    "format",
+    "",
+    (char*)NULL };
+
 /* * * * * * * * * * * * * * * * * * * * * * * * * *
  *
  *  Description of Hpux11_Fabsf fix
@@ -5424,9 +5466,9 @@ static const char* apzX11_SprintfPatch[] = {
  *
  *  List of all fixes
  */
-#define REGEX_COUNT          146
+#define REGEX_COUNT          147
 #define MACH_LIST_SIZE_LIMIT 279
-#define FIX_COUNT            139
+#define FIX_COUNT            140
 
 /*
  *  Enumerate the fixes
@@ -5480,6 +5522,7 @@ typedef enum {
     GNU_TYPES_FIXIDX,
     HP_INLINE_FIXIDX,
     HP_SYSFILE_FIXIDX,
+    HPUX10_CPP_POW_INLINE_FIXIDX,
     HPUX11_FABSF_FIXIDX,
     HPUX11_UINT32_C_FIXIDX,
     HPUX8_BOGUS_INLINES_FIXIDX,
@@ -5814,6 +5857,11 @@ tFixDesc fixDescList[ FIX_COUNT ] = {
      HP_SYSFILE_TEST_CT, FD_MACH_ONLY | FD_SUBROUTINE,
      aHp_SysfileTests,   apzHp_SysfilePatch, 0 },
 
+  {  zHpux10_Cpp_Pow_InlineName,    zHpux10_Cpp_Pow_InlineList,
+     apzHpux10_Cpp_Pow_InlineMachs,
+     HPUX10_CPP_POW_INLINE_TEST_CT, FD_MACH_ONLY | FD_SUBROUTINE,
+     aHpux10_Cpp_Pow_InlineTests,   apzHpux10_Cpp_Pow_InlinePatch, 0 },
+
   {  zHpux11_FabsfName,    zHpux11_FabsfList,
      apzHpux11_FabsfMachs,
      HPUX11_FABSF_TEST_CT, FD_MACH_ONLY | FD_SUBROUTINE,
diff --git a/gcc/fixinc/inclhack.def b/gcc/fixinc/inclhack.def
index 88018d9b3bf..7730cd2970f 100644
--- a/gcc/fixinc/inclhack.def
+++ b/gcc/fixinc/inclhack.def
@@ -1148,6 +1148,39 @@ fix = {
 };
 
 
+/*
+ * Delete C++ double pow (double, int) inline function from HP-UX 10
+ * math.h to prevent clash with define in c_std/bits/std_cmath.h.
+ */
+fix = {
+    hackname  = hpux10_cpp_pow_inline;
+    files     = math.h;
+    select    = <<-	END_POW_INLINE
+	^# +ifdef +__cplusplus
+	 +}
+	 +inline +double +pow\(double +__d,int +__expon\) +{
+	[ 	]+return +pow\(__d,\(double\)__expon\);
+	 +}
+	 +extern +"C" +{
+	#else
+	# +endif
+	END_POW_INLINE;
+ 
+    c_fix     = format;
+    c_fix_arg = "";
+
+    test_text =
+	"#    ifdef __cplusplus\n"
+	"     }\n"
+	"     inline double pow(double __d,int __expon) {\n"
+	"\t return pow(__d,(double)__expon);\n"
+	"     }\n"
+	'     extern "C"' " {\n"
+	"#else\n"
+	"#    endif";
+};
+
+
 /*
  *  Keep HP-UX 11 from stomping on C++ math namespace
  *  with defines for fabsf.