From: André Hentschel <nerv@dawncrow.de>
Subject: msvcrt: Check for bessel functions
Message-Id: <54AC6901.2070201@dawncrow.de>
Date: Wed, 07 Jan 2015 00:00:17 +0100

This fixes the build with uclibc
---
 configure.ac       |  8 +++++++-
 dlls/msvcrt/math.c | 30 ++++++++++++++++++++++++++++++
 2 files changed, 37 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index b67a7e7..9b42a70 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2576,6 +2576,9 @@ AC_CHECK_FUNCS(\
 	cbrtf \
 	exp2 \
 	exp2f \
+	j0 \
+	j1 \
+	jn \
 	llrint \
 	llrintf \
 	llround \
@@ -2591,7 +2594,10 @@ AC_CHECK_FUNCS(\
 	round \
 	roundf \
 	trunc \
-	truncf
+	truncf \
+	y0 \
+	y1 \
+	yn
 )
 LIBS="$ac_save_LIBS"
 
diff --git a/dlls/msvcrt/math.c b/dlls/msvcrt/math.c
index 9b75d36..3747a27 100644
--- a/dlls/msvcrt/math.c
+++ b/dlls/msvcrt/math.c
@@ -1263,8 +1263,13 @@ INT CDECL MSVCRT__isnan(double num)
  */
 double CDECL MSVCRT__j0(double num)
 {
+#ifdef HAVE_J0
   /* FIXME: errno handling */
   return j0(num);
+#else
+  FIXME( "not implemented\n" );
+  return num;
+#endif
 }
 
 /*********************************************************************
@@ -1272,8 +1277,13 @@ double CDECL MSVCRT__j0(double num)
  */
 double CDECL MSVCRT__j1(double num)
 {
+#ifdef HAVE_J1
   /* FIXME: errno handling */
   return j1(num);
+#else
+  FIXME( "not implemented\n" );
+  return num;
+#endif
 }
 
 /*********************************************************************
@@ -1281,8 +1291,13 @@ double CDECL MSVCRT__j1(double num)
  */
 double CDECL MSVCRT__jn(int n, double num)
 {
+#ifdef HAVE_JN
   /* FIXME: errno handling */
   return jn(n, num);
+#else
+  FIXME( "not implemented\n" );
+  return num;
+#endif
 }
 
 /*********************************************************************
@@ -1290,6 +1305,7 @@ double CDECL MSVCRT__jn(int n, double num)
  */
 double CDECL MSVCRT__y0(double num)
 {
+#ifdef HAVE_Y0
   double retval;
   if (!isfinite(num)) *MSVCRT__errno() = MSVCRT_EDOM;
   retval  = y0(num);
@@ -1299,6 +1315,10 @@ double CDECL MSVCRT__y0(double num)
     retval = sqrt(-1);
   }
   return retval;
+#else
+  FIXME( "not implemented\n" );
+  return num;
+#endif
 }
 
 /*********************************************************************
@@ -1306,6 +1326,7 @@ double CDECL MSVCRT__y0(double num)
  */
 double CDECL MSVCRT__y1(double num)
 {
+#ifdef HAVE_Y1
   double retval;
   if (!isfinite(num)) *MSVCRT__errno() = MSVCRT_EDOM;
   retval  = y1(num);
@@ -1315,6 +1336,10 @@ double CDECL MSVCRT__y1(double num)
     retval = sqrt(-1);
   }
   return retval;
+#else
+  FIXME( "not implemented\n" );
+  return num;
+#endif
 }
 
 /*********************************************************************
@@ -1322,6 +1347,7 @@ double CDECL MSVCRT__y1(double num)
  */
 double CDECL MSVCRT__yn(int order, double num)
 {
+#ifdef HAVE_YN
   double retval;
   if (!isfinite(num)) *MSVCRT__errno() = MSVCRT_EDOM;
   retval  = yn(order,num);
@@ -1331,6 +1357,10 @@ double CDECL MSVCRT__yn(int order, double num)
     retval = sqrt(-1);
   }
   return retval;
+#else
+  FIXME( "not implemented\n" );
+  return num;
+#endif
 }
 
 /*********************************************************************