Replace $letrec with $rec

[bpt/guile.git] / doc / ref / libguile-extensions.texi

diff --git a/doc/ref/libguile-extensions.texi b/doc/ref/libguile-extensions.texi
index 78871c6..95f92ca 100644 (file)
--- a/doc/ref/libguile-extensions.texi
+++ b/doc/ref/libguile-extensions.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Guile Reference Manual.
-@c Copyright (C)  1996, 1997, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+@c Copyright (C)  1996, 1997, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2011
 @c   Free Software Foundation, Inc.
 @c See the file guile.texi for copying conditions.
 
@@ -64,7 +64,7 @@ Consider the following file @file{bessel.c}.
 SCM
 j0_wrapper (SCM x)
 @{
-  return scm_make_real (j0 (scm_num2dbl (x, "j0")));
+  return scm_from_double (j0 (scm_to_double (x)));
 @}
 
 void
@@ -78,7 +78,8 @@ This C source file needs to be compiled into a shared library.  Here is
 how to do it on GNU/Linux:
 
 @smallexample
-gcc -shared -o libguile-bessel.so -fPIC bessel.c
+gcc `pkg-config --cflags guile-@value{EFFECTIVE-VERSION}` \
+  -shared -o libguile-bessel.so -fPIC bessel.c
 @end smallexample
 
 For creating shared libraries portably, we recommend the use of GNU