Changeset 34089 for trunk/psLib/m4/ipp_stdopts.m4

Timestamp:

Jun 26, 2012, 11:47:13 AM (14 years ago)

Author:

eugene

Message:

changes to support pedantic gcc warnings; add configure option for debug-build and no-as-needed

File:

• trunk/psLib/m4/ipp_stdopts.m4 (modified) (2 diffs)

trunk/psLib/m4/ipp_stdopts.m4

@@ -1 +1 @@
 
+dnl IPP_STDCFLAGS must go *after* external probes (to avoid Werror confusing things)
 AC_DEFUN([IPP_STDCFLAGS],
 [
+    dnl this section currently overrides a user-defined CFLAGS
     AC_ARG_ENABLE(optimize,
       [AS_HELP_STRING(--enable-optimize,enable compiler optimization)],
@@ -12 +14 @@
       ]
     )
+    dnl this section accepts a user-defined CFLAGS, and sets CFLAGS to the empty string if not present
+    AC_ARG_ENABLE(debug-build,
+      [AS_HELP_STRING(--enable-debug-build,enable debug build: ie disable Werror)],
+      [AC_MSG_RESULT(debug build enabled)
+        if test x"${CFLAGS}" == x; then
+          CFLAGS="-Wall"
+        else
+          CFLAGS="${CFLAGS=} -Wall"
+        fi
+      ],
+      [AC_MSG_RESULT([compile optimization disabled])
+        if test x"${CFLAGS}" == x; then
+          CFLAGS="-Wall -Werror"
+        else
+          CFLAGS="${CFLAGS=} -Wall -Werror"
+        fi
+      ]
+    )
 ])
+
+dnl IPP_STDLDFLAGS must go *before* external probes (so linking is done with --no-as-needed if needed)
+AC_DEFUN([IPP_STDLDFLAGS],
+[
+    dnl this section accepts a user-defined LDFLAGS, and sets LDFLAGS to the empty string if not present
+    AC_ARG_ENABLE(no-as-needed, 
+      [AS_HELP_STRING(--enable-no-as-needed, prevent as-needed option sometimes supplied to gcc such as Ubuntu after 11.11)],
+      [AC_MSG_RESULT(no-as-needed passed to linker) 
+        if test x"${LDFLAGS}" == x; then
+          LDFLAGS="-Wl,--no-as-needed"
+        else
+          LDFLAGS="${LDFLAGS=} -Wl,--no-as-needed"
+        fi
+      ],
+      [AC_MSG_RESULT(as-needed linker flags accepted) 
+        if test x"${LDFLAGS}" == x; then
+          LDFLAGS=""
+        fi
+      ]
+    )
+])
+dnl
 
 AC_DEFUN([IPP_STDOPTS],