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configure.ac: add zlib search with pkg-config

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Closes #956
This commit is contained in:
Dambaev Alexander 2016-08-11 23:49:48 +08:00 committed by Daniel Stenberg
parent 2c8ccdac14
commit c2f9b78afe
1 changed files with 14 additions and 4 deletions
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18
configure.ac
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@ -892,16 +892,26 @@ else
fi
if test -z "$OPT_ZLIB" ; then
dnl check for the lib first without setting any new path, since many
dnl people have it in the default path
PKG_CHECK_MODULES(ZLIB, zlib,
[ LIBS="${ZLIB_LIBS} $LIBS"
CPPFLAGS="${ZLIB_CFLAGS} $CPPFLAGS"
HAVE_LIBZ="1"
],
[
])
AC_CHECK_LIB(z, inflateEnd,
if test -z "$HAVE_LIBZ"; then
dnl Check for the lib without setting any new path, since many
dnl people have it in the default path
AC_CHECK_LIB(z, inflateEnd,
dnl libz found, set the variable
[HAVE_LIBZ="1"
LIBS="-lz $LIBS"],
dnl if no lib found, try /usr/local
[OPT_ZLIB="/usr/local"])
fi
fi
dnl Add a nonempty path to the compiler flags