m4/package_sanitizer.m4

   1 AC_DEFUN([AC_PACKAGE_CHECK_UBSAN],
   2   [ AC_MSG_CHECKING([if C compiler supports UBSAN])
   3     OLD_CFLAGS="$CFLAGS"
   4     OLD_LDFLAGS="$LDFLAGS"
   5     UBSAN_FLAGS="-fsanitize=undefined"
   6     CFLAGS="$CFLAGS $UBSAN_FLAGS"
   7     LDFLAGS="$LDFLAGS $UBSAN_FLAGS"
   8     AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
   9         [AC_MSG_RESULT([yes])]
  10         [ubsan_cflags=$UBSAN_FLAGS]
  11         [ubsan_ldflags=$UBSAN_FLAGS]
  12         [have_ubsan=yes],
  13         [AC_MSG_RESULT([no])])
  14     CFLAGS="${OLD_CFLAGS}"
  15     LDFLAGS="${OLD_LDFLAGS}"
  16     AC_SUBST(have_ubsan)
  17     AC_SUBST(ubsan_cflags)
  18     AC_SUBST(ubsan_ldflags)
  19   ])
  20
  21 AC_DEFUN([AC_PACKAGE_CHECK_ADDRSAN],
  22   [ AC_MSG_CHECKING([if C compiler supports ADDRSAN])
  23     OLD_CFLAGS="$CFLAGS"
  24     OLD_LDFLAGS="$LDFLAGS"
  25     ADDRSAN_FLAGS="-fsanitize=address"
  26     CFLAGS="$CFLAGS $ADDRSAN_FLAGS"
  27     LDFLAGS="$LDFLAGS $ADDRSAN_FLAGS"
  28     AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
  29         [AC_MSG_RESULT([yes])]
  30         [addrsan_cflags=$ADDRSAN_FLAGS]
  31         [addrsan_ldflags=$ADDRSAN_FLAGS]
  32         [have_addrsan=yes],
  33         [AC_MSG_RESULT([no])])
  34     CFLAGS="${OLD_CFLAGS}"
  35     LDFLAGS="${OLD_LDFLAGS}"
  36     AC_SUBST(have_addrsan)
  37     AC_SUBST(addrsan_cflags)
  38     AC_SUBST(addrsan_ldflags)
  39   ])
  40
  41 AC_DEFUN([AC_PACKAGE_CHECK_THREADSAN],
  42   [ AC_MSG_CHECKING([if C compiler supports THREADSAN])
  43     OLD_CFLAGS="$CFLAGS"
  44     OLD_LDFLAGS="$LDFLAGS"
  45     THREADSAN_FLAGS="-fsanitize=thread"
  46     CFLAGS="$CFLAGS $THREADSAN_FLAGS"
  47     LDFLAGS="$LDFLAGS $ADRSAN_FLAGS"
  48     AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
  49         [AC_MSG_RESULT([yes])]
  50         [threadsan_cflags=$THREADSAN_FLAGS]
  51         [threadsan_ldflags=$THREADSAN_FLAGS]
  52         [have_threadsan=yes],
  53         [AC_MSG_RESULT([no])])
  54     CFLAGS="${OLD_CFLAGS}"
  55     LDFLAGS="${OLD_LDFLAGS}"
  56     AC_SUBST(have_threadsan)
  57     AC_SUBST(threadsan_cflags)
  58     AC_SUBST(threadsan_ldflags)
  59   ])