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syslinux: Fix failed loading on gcc5

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This commit is contained in:
William A. Kennington III 2015-07-06 17:49:07 -07:00
parent 9eae9dd811
commit 06e146b2ce
2 changed files with 28 additions and 1 deletions
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3
pkgs/os-specific/linux/syslinux/default.nix
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@ -8,7 +8,8 @@ stdenv.mkDerivation rec {
sha256 = "03l5iifwlg1wyb4yh98i0b7pd4j55a1c9y74q1frs47a5dnrilr6";
};
patches = [ ./perl-deps.patch ];
# gcc5-fix should be in 6.04+, so remove if it fails to apply.
patches = [ ./perl-deps.patch ./gcc5-fix.patch ];
buildInputs = [ nasm perl libuuid ];

26
pkgs/os-specific/linux/syslinux/gcc5-fix.patch Normal file
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@ -0,0 +1,26 @@
diff --git a/com32/include/menu.h b/com32/include/menu.h
index bc0182f..b0251e4 100644
--- a/com32/include/menu.h
+++ b/com32/include/menu.h
@@ -195,7 +195,7 @@ void local_cursor_enable(bool);
static inline int my_isspace(char c)
{
- return (unsigned char)c <= ' ';
+ return (unsigned char)c <= ' ' || (unsigned char)c == '\x7f';
}
int my_isxdigit(char c);
diff --git a/com32/menu/readconfig.c b/com32/menu/readconfig.c
index b7814be..a433fad 100644
--- a/com32/menu/readconfig.c
+++ b/com32/menu/readconfig.c
@@ -299,7 +299,7 @@ static char *copy_sysappend_string(char *dst, const char *src)
char c;
while ((c = *src++)) {
- if (c <= ' ' && c == '\x7f') {
+ if (my_isspace(c)) {
if (!was_space)
*dst++ = '_';
was_space = true;