diff options
Diffstat (limited to 'fastjar/configure.in')
| -rw-r--r-- | fastjar/configure.in | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/fastjar/configure.in b/fastjar/configure.in index 73eff881381..c240be82cb9 100644 --- a/fastjar/configure.in +++ b/fastjar/configure.in @@ -37,10 +37,25 @@ AC_CHECK_SIZEOF(long long) dnl Check byte order AC_C_BIGENDIAN -dnl Brain dead check for tree's zlib -ZDEPS='$(top_builddir)/../zlib/libz.a' -ZLIBS="$ZDEPS -L\$(here)/../zlib/$libsubdir" -ZINCS='-I$(top_srcdir)/../zlib' +AC_ARG_WITH(system-zlib, +[ --with-system-zlib use installed libz]) + +ZLIBS= +ZDEPS= +ZINCS= +use_zlib=maybe +if test "$with_system_zlib" = yes; then + AC_CHECK_LIB(z, deflate, ZLIBS=-lz, use_zlib=no) +else + use_zlib=no +fi + +if test "$use_zlib" = no; then + # Brain dead way to find tree's zlib. + ZDEPS='$(top_builddir)/../zlib/libz.a' + ZLIBS="$ZDEPS -L\$(here)/../zlib/$libsubdir" + ZINCS='-I$(top_srcdir)/../zlib' +fi AC_SUBST(ZLIBS) AC_SUBST(ZDEPS) AC_SUBST(ZINCS) |