Cygwin build fixes

Fix mklib to deal with NOPREFIX and use --enable-auto-image-base for cygwin
Teach configure.ac some basic facts about cygwin

Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>

diff --git a/bin/mklib b/bin/mklib
index 2fd95ba..2444945 100755 (executable)
--- a/bin/mklib
+++ b/bin/mklib
@@ -885,6 +885,17 @@ case $ARCH in
 
      CYGWIN*)
        # GCC-based environment
+       if [ $NOPREFIX = 1 ] ; then
+           # No "lib" or ".so" part
+           echo "mklib: Making CYGWIN shared library: " ${LIBNAME}
+           OPTS="-shared -Wl,--enable-auto-image-base"
+            if [ "${ALTOPTS}" ] ; then
+                OPTS=${ALTOPTS}
+            fi
+           rm -f ${LIBNAME}
+           ${LINK} ${OPTS} ${LDFLAGS} -o ${LIBNAME} ${OBJECTS} ${DEPS}
+           FINAL_LIBS=${LIBNAME}
+        else
        CYGNAME="cyg${LIBNAME}"     # prefix with "cyg"
        LIBNAME="lib${LIBNAME}"     # prefix with "lib"
 
@@ -901,11 +912,11 @@ case $ARCH in
             # finish up
             FINAL_LIBS=${LIBNAME}.a
         else
-           OPTS="-shared -Wl,-export-all -Wl,--out-implib=${LIBNAME}-${MAJOR}.dll.a"
+           OPTS="-shared -Wl,--enable-auto-image-base -Wl,-export-all -Wl,--out-implib=${LIBNAME}-${MAJOR}.dll.a"
             if [ "${ALTOPTS}" ] ; then
                 OPTS=${ALTOPTS}
             fi
-            echo "mklib: Making" $ARCH "shared library: " ${LIBNAME}-${MAJOR}.dll
+            echo "mklib: Making" $ARCH "shared library: " ${CYGNAME}-${MAJOR}.dll
 
             if [ $CPLUSPLUS = 1 ] ; then
                 LINK="g++"
@@ -914,7 +925,8 @@ case $ARCH in
             fi
 
             # rm any old libs
-            rm -f ${LIBNAME}-${MAJOR}.dll
+            rm -f ${CYGNAME}-${MAJOR}.dll
+            rm -f ${LIBNAME}-${MAJOR}.dll.a
             rm -f ${LIBNAME}.dll.a
             rm -f ${LIBNAME}.a
 
@@ -927,6 +939,7 @@ case $ARCH in
            # special case for installing in bin
             FINAL_BINS="${CYGNAME}-${MAJOR}.dll"
         fi
+        fi
        ;;
 
     'example')

diff --git a/configure.ac b/configure.ac
index 48b8022..2a9ac1e 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -222,6 +222,8 @@ else
     case "$host_os" in
     darwin* )
         LIB_EXTENSION='dylib' ;;
+    cygwin* )
+        LIB_EXTENSION='dll' ;;
     * )
         LIB_EXTENSION='so' ;;
     esac
@@ -1073,6 +1075,9 @@ if test "x$APP_LIB_DEPS" = x; then
     solaris*)
         APP_LIB_DEPS="-lX11 -lsocket -lnsl -lm"
         ;;
+    cygwin*)
+        APP_LIB_DEPS="-lX11"
+        ;;
     *)
         APP_LIB_DEPS="-lm"
         ;;