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libapparmor: Fix FTBFS when secure_getenv() is not available

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Allow libapparmor to build on older systems where secure_getenv() is
still named __secure_getenv(). This snippet was taken from the glibc
wiki:

 https://sourceware.org/glibc/wiki/Tips_and_Tricks/secure_getenv

Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Acked-by: Steve Beattie <steve@nxnw.org>
This commit is contained in:
Tyler Hicks 2015-03-26 16:25:16 -05:00
parent 5a17ffb598
commit 0d06dfa24c
2 changed files with 14 additions and 1 deletions
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2
libraries/libapparmor/configure.ac
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@ -81,7 +81,7 @@ AM_CONDITIONAL(HAVE_RUBY, test x$with_ruby = xyes)
AC_HEADER_STDC
AC_CHECK_HEADERS(unistd.h stdint.h syslog.h)
AC_CHECK_FUNCS(asprintf)
AC_CHECK_FUNCS([asprintf __secure_getenv secure_getenv])
AM_PROG_CC_C_O
AC_C_CONST

13
libraries/libapparmor/src/private.c
View file

@ -30,6 +30,19 @@
#include "private.h"
/**
* Allow libapparmor to build on older systems where secure_getenv() is still
* named __secure_getenv(). This snippet was taken from the glibc wiki
* (https://sourceware.org/glibc/wiki/Tips_and_Tricks/secure_getenv).
*/
#ifndef HAVE_SECURE_GETENV
#ifdef HAVE___SECURE_GETENV
#define secure_getenv __secure_getenv
#else
#error neither secure_getenv nor __secure_getenv is available
#endif
#endif
struct ignored_suffix_t {
const char * text;
int len;