diff options
Diffstat (limited to 'Build/source/libs/zlib/zlib.ac')
-rw-r--r-- | Build/source/libs/zlib/zlib.ac | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/Build/source/libs/zlib/zlib.ac b/Build/source/libs/zlib/zlib.ac new file mode 100644 index 00000000000..1a67b344866 --- /dev/null +++ b/Build/source/libs/zlib/zlib.ac @@ -0,0 +1,58 @@ +if test "$needs_zlib" = no; then + ZLIBCPPFLAGS= + LDZLIB= + ZLIBDEP= +else + EXTRA_ZLIB_INCLUDE= + EXTRA_ZLIB_LIBDIR= + + if test "$with_system_zlib" = yes; then + if test "x$with_zlib_libdir" != x; then + EXTRA_ZLIB_LIBDIR="-L$with_zlib_libdir" + fi + if test "x$with_zlib_include" != x; then + EXTRA_ZLIB_INCLUDE="-I$with_zlib_include" + fi + fi + + OLD_LDFLAGS=$LDFLAGS + OLD_CPP=$CPP + OLD_LIBS=$LIBS + + LDFLAGS="$LDFLAGS $EXTRA_ZLIB_LIBDIR" + CPP="$CPP $EXTRA_ZLIB_INCLUDE" + + if test "$with_system_zlib" = yes; then + AC_CHECK_LIB(z, inflate,, + AC_MSG_WARN(Standard ZLIB library not found. Compiling my own.) + with_system_zlib=no) + fi + + if test "$with_system_zlib" = yes; then + AC_CHECK_HEADERS(zlib.h) + if test "$ac_cv_header_zlib_h" != yes; then + AC_MSG_WARN(zlib.h not found. Using my own zlib sources.) + with_system_zlib=no + fi + fi + + LDFLAGS=$OLD_LDFLAGS + CPP=$OLD_CPP + LIBS=$OLD_LIBS + + if test "$with_system_zlib" != yes; then + ZLIBCPPFLAGS='-I$(ZLIBDIR) -I$(ZLIBSRCDIR)' + LDZLIB='$(ZLIBDIR)/libz.a' + ZLIBDEP='$(ZLIBDIR)/libz.a' + using_system_zlib=no + else + ZLIBCPPFLAGS="$EXTRA_ZLIB_INCLUDE" + LDZLIB="$EXTRA_ZLIB_LIBDIR -lz" + ZLIBDEP= + using_system_zlib=yes + fi +fi + +AC_SUBST(ZLIBCPPFLAGS) +AC_SUBST(LDZLIB) +AC_SUBST(ZLIBDEP) |