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-rw-r--r--configure.ac34
1 files changed, 23 insertions, 11 deletions
diff --git a/configure.ac b/configure.ac
index ad43e4fb..b1961eca 100644
--- a/configure.ac
+++ b/configure.ac
@@ -31,6 +31,13 @@ echo "System type:"
# This is needed to know if assembler optimizations can be used.
AC_CANONICAL_HOST
+# We do some special things on Windows (32-bit or 64-bit) builds.
+case $host_os in
+ mingw* | cygwin*) is_w32=yes ;;
+ *) is_w32=no ;;
+esac
+AM_CONDITIONAL([COND_W32], [test "$is_w32" = yes])
+
echo
echo "Configure options:"
@@ -436,6 +443,12 @@ dnl lines can be replaced with these:
dnl LT_INIT([win32-dll])
dnl LT_LANG([Windows Resource])
+# This is a bit wrong since it is possible to request that only some libs
+# are built as shared. Using that feature isn't so common though, and this
+# breaks only on Windows (at least for now) if the user enables only some
+# libs as shared.
+AM_CONDITIONAL([COND_SHARED], [test "x$enable_shared" != xno])
+
###############################################################################
# Checks for libraries.
@@ -544,9 +557,16 @@ lc_CPUCORES
if test "x$GCC" = xyes ; then
echo
echo "GCC extensions:"
- gl_VISIBILITY
- if test -n "$CFLAG_VISIBILITY" ; then
- AM_CFLAGS="$AM_CFLAGS $CFLAG_VISIBILITY"
+
+ # Avoid checking for visibility support on Windows, because the test
+ # may succeed even though visibility isn't supported. Windows has
+ # a different way to export only the required symbols from the
+ # libraries.
+ if test "$is_w32" = no; then
+ gl_VISIBILITY
+ if test -n "$CFLAG_VISIBILITY" ; then
+ AM_CFLAGS="$AM_CFLAGS $CFLAG_VISIBILITY"
+ fi
fi
# Enable as much warnings as possible. These commented warnings won't
@@ -627,14 +647,6 @@ AC_CONFIG_FILES([
src/liblzma/liblzma.pc
src/liblzma/Makefile
src/liblzma/api/Makefile
- src/liblzma/common/Makefile
- src/liblzma/check/Makefile
- src/liblzma/rangecoder/Makefile
- src/liblzma/lz/Makefile
- src/liblzma/lzma/Makefile
- src/liblzma/subblock/Makefile
- src/liblzma/delta/Makefile
- src/liblzma/simple/Makefile
src/xz/Makefile
src/xzdec/Makefile
src/scripts/Makefile