declared errno

diff --git a/lang/cem/libcc/math/gamma.c b/lang/cem/libcc/math/gamma.c
index 577a6a3..0251e6d 100644 (file)
--- a/lang/cem/libcc/math/gamma.c
+++ b/lang/cem/libcc/math/gamma.c
@@ -10,6 +10,8 @@
 #include <math.h>
 #include <errno.h>
 
+extern int errno;
+
 static double
 smallpos_gamma(x)
        double x;

diff --git a/lang/cem/libcc/math/j0.c b/lang/cem/libcc/math/j0.c
index 3cf93c6..b87b2ab 100644 (file)
--- a/lang/cem/libcc/math/j0.c
+++ b/lang/cem/libcc/math/j0.c
@@ -10,6 +10,7 @@
 #include <math.h>
 #include <errno.h>
 
+extern int errno;
 
 static double
 P0(x)

diff --git a/lang/cem/libcc/math/j1.c b/lang/cem/libcc/math/j1.c
index 71fab5a..465bb55 100644 (file)
--- a/lang/cem/libcc/math/j1.c
+++ b/lang/cem/libcc/math/j1.c
@@ -10,6 +10,7 @@
 #include <math.h>
 #include <errno.h>
 
+extern int errno;
 
 static double
 P1(x)

diff --git a/lang/cem/libcc/math/jn.c b/lang/cem/libcc/math/jn.c
index d1c60f4..e817d5b 100644 (file)
--- a/lang/cem/libcc/math/jn.c
+++ b/lang/cem/libcc/math/jn.c
@@ -10,6 +10,8 @@
 #include <math.h>
 #include <errno.h>
 
+extern int errno;
+
 double
 yn(n, x)
        double x;