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configure: removed $zlib_(cflags|ldflags) from compat code build

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When pkg-config does not find configure, a compat version of the
zlib.pc is created. In creation of that configure attempted to
read values of $zlib_cflags and $zlib_ldflags. In the usual case
those were undefined, and with `set -a` now in the beginning of
configure, configure broke.

Even if $zlib_cflags and $zlib_ldflags had values which were used
to create zlib.pc, the values were overwritten (with static content)
a few lines later in next pkg-config --cflags and --libs run. These
values would not be different and probably useless -- the following
boild would probably fail.

But instead of using those, CPATH and LIBRARY_PATH environment
variables can be used successfully (both while configuring and
building).
This commit is contained in:
Tomi Ollila 2017-03-05 23:03:27 +02:00 committed by David Bremner
parent 3071fc04fb
commit b7763c94e2
1 changed files with 1 additions and 2 deletions
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3
configure vendored
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@ -493,8 +493,7 @@ else
fi
if ! pkg-config --exists zlib; then
${CC} ${zlib_cflags} -o compat/gen_zlib_pc \
"$srcdir"/compat/gen_zlib_pc.c ${zlib_ldflags} > /dev/null 2>&1 &&
${CC} -o compat/gen_zlib_pc "$srcdir"/compat/gen_zlib_pc.c >/dev/null 2>&1 &&
compat/gen_zlib_pc > compat/zlib.pc &&
PKG_CONFIG_PATH="$PKG_CONFIG_PATH":compat &&
export PKG_CONFIG_PATH