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Fix GCC_LINUX_FUTEX to work with C99 compilers
[thirdparty/gcc.git] / config / zlib.m4
CommitLineData
92827dbf 1dnl A function to check if the system's zlib library should be used. The
2dnl builtin zlib dnl is used by default unless the user configured with
3dnl --with-system-zlib.
cd1d6df2 4
5AC_DEFUN([AM_ZLIB],
6[
92827dbf 7 # Use the system's zlib library.
8 zlibdir="-L\$(top_builddir)/../zlib"
9 zlibinc="-I\$(top_srcdir)/../zlib"
10 AC_ARG_WITH(system-zlib,
11 [AS_HELP_STRING([--with-system-zlib], [use installed libz])],
12 if test x$with_system_zlib = xyes ; then
13 zlibdir=
14 zlibinc=
cd1d6df2 15 fi
92827dbf 16 )
17 AC_SUBST(zlibdir)
18 AC_SUBST(zlibinc)
cd1d6df2 19])