Add option for static linking

Sebastiano Merlino · Sebastiano Merlino · commit bd087724076e · 2016-12-29T01:27:19.000Z
diff --git a/.travis.yml b/.travis.yml
@@ -5,6 +5,7 @@ compiler:
 env:
  - DEBUG="debug"
  - DEBUG="nodebug"
+ - LINKING="static"
 before_install:
  - sudo apt-get install info install-info
  - sudo pip install cpp-coveralls
@@ -20,7 +21,7 @@ script:
  - ./bootstrap
  - mkdir build
  - cd build
- - if [ $DEBUG = "debug" ]; then ../configure --enable-debug --disable-shared --disable-fastopen; else ../configure --disable-fastopen; fi
+ - if [ $LINKING = "static" ]; then ../configure --enable-static --disable-fastopen; elif [ $DEBUG = "debug" ]; then ../configure --enable-debug --disable-shared --disable-fastopen; else ../configure --disable-fastopen; fi
  - make
  - make check
 after_success:
@@ -29,3 +30,5 @@ matrix:
   exclude:
     - compiler: clang
       env: DEBUG="debug"
+    - compiler: clang
+      env: LINKING='static'
diff --git a/configure.ac b/configure.ac
@@ -133,6 +133,18 @@ if test x"$fastopen" = x"yes"; then
     fi
 fi
 
+AC_MSG_CHECKING([whether to link statically])
+AC_ARG_ENABLE([static],
+    [AS_HELP_STRING([--enable-static],
+        [enable use static linking (def=yes)])],
+    [static="$enableval"],
+    [static=yes])
+AC_MSG_RESULT([$static])
+
+if test x"$static" = x"$yes"; then
+    LDFLAGS="-static $LDFLAGS";
+fi
+
 m4_pattern_allow([AC_TYPE_SIZE_T])
 m4_pattern_allow([AC_TYPE_UINT16_T])
 m4_pattern_allow([AC_TYPE_UINT32_T])
@@ -223,4 +235,5 @@ AC_MSG_NOTICE([Configuration Summary:
   Debug	          :  ${debugit}
   TLS Enabled     :  ${have_gnutls}
   TCP_FASTOPEN    :  ${is_fastopen_supported}
+  Static          :  ${static}
 ])
