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When setting a nonstandard malloc, disable the system malloc.

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Closes ticket 20424.
This commit is contained in:
Nick Mathewson 2018-07-11 09:36:24 -04:00
parent 8b53dfc362
commit 16bdbddc2c
2 changed files with 8 additions and 0 deletions
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4
changes/bug20424_029_minimal Normal file
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@ -0,0 +1,4 @@
o Minor bugfixes (compilation):
- When compiling with --enable-openbsd-malloc or --enable-tcmalloc, tell
the compiler not to include the system malloc implementation. Fixes bug
20424; bugfix on 0.2.0.20-rc.

4
configure.ac
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@ -1438,6 +1438,10 @@ fi
if test "$using_custom_malloc" = "no"; then
AC_CHECK_FUNCS(mallinfo)
fi
if test "$using_custom_malloc" = "yes"; then
# Tell the C compiler not to use the system allocator functions.
TOR_CHECK_CFLAGS([-fno-builtin-malloc -fno-builtin-realloc -fno-builtin-calloc -fno-builtin-free])
fi
# By default, we're going to assume we don't have mlockall()
# bionic and other platforms have various broken mlockall subsystems.