perl: fix compilation with GCC14

Need the header for fegetround.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

lang/perl/Makefile

@@ -11,7 +11,7 @@ include perlver.mk
 
 PKG_NAME:=perl
 PKG_VERSION:=$(PERL_VERSION)
-PKG_RELEASE:=2
+PKG_RELEASE:=3
 
 PKG_SOURCE_URL:=https://www.cpan.org/src/5.0
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz

lang/perl/patches/020-gcc14.patch

@@ -0,0 +1,23 @@
+--- a/ext/POSIX/POSIX.xs
++++ b/ext/POSIX/POSIX.xs
+@@ -28,11 +28,7 @@ static int not_here(const char *s);
+ #include <sys/errno2.h>
+ #endif
+ #include <float.h>
+-#ifdef I_FENV
+-#if !(defined(__vax__) && defined(__NetBSD__))
+ #include <fenv.h>
+-#endif
+-#endif
+ #include <limits.h>
+ #include <locale.h>
+ #include <math.h>
+@@ -182,7 +178,7 @@ static int not_here(const char *s);
+ #endif
+ 
+ /* We will have an emulation. */
+-#ifndef FE_TONEAREST
++#ifndef FE_TOWARDZERO
+ #  define FE_TOWARDZERO	0
+ #  define FE_TONEAREST	1
+ #  define FE_UPWARD	2