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Go Back   Linux Archive > ArchLinux > ArchLinux Pacman Development

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Old 07-15-2012, 10:31 PM
Clemens Buchacher
Default build failu _FORTIFY_SOURCE requires compiling with optimization

I am trying to build like this:

./configure --enable-debug --enable-git-version --prefix=$HOME/.local/pacman CFLAGS=-g

And I get during make:

In file included from /usr/include/stdlib.h:24:0,
from add.c:21:
/usr/include/features.h:330:4: error: #warning _FORTIFY_SOURCE requires compiling with optimization (-O) [-Werror=cpp]
cc1: all warnings being treated as errors

Autoconf checks if FORTIFY_SOURCE works, but it does so without -Werror
which is later used for compiling:

# configure.ac
if test "x$debug" = "xyes" ; then
WARNING_CFLAGS="-g -Wall -Werror"

I attempted to fix this by considering WARNING_CFLAGS in
GCC_FORTIFY_SOURCE_CC, but Autoconf is a mystery to me.

In any case, it seems strange that _FORTIFY_SOURCE would be used only
with debugging while the standard library warns about its use without


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