diff options
Diffstat (limited to 'src/third_party/wiredtiger/build_posix/aclocal/cond-if.m4')
-rw-r--r-- | src/third_party/wiredtiger/build_posix/aclocal/cond-if.m4 | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/third_party/wiredtiger/build_posix/aclocal/cond-if.m4 b/src/third_party/wiredtiger/build_posix/aclocal/cond-if.m4 new file mode 100644 index 00000000000..df4b2c4b8ac --- /dev/null +++ b/src/third_party/wiredtiger/build_posix/aclocal/cond-if.m4 @@ -0,0 +1,14 @@ +dnl AC_CONFIG_FILES conditionalization requires using AM_COND_IF, however +dnl AM_COND_IF is new to Automake 1.11. To use it on new Automake without +dnl requiring same, a fallback implementation for older Autoconf is provided. +dnl Note that disabling of AC_CONFIG_FILES requires Automake 1.11, this code +dnl is correct only in terms of m4sh generated script. +m4_ifndef([AM_COND_IF], [AC_DEFUN([AM_COND_IF], [ +if test -z "$$1_TRUE"; then : + m4_n([$2])[]dnl +m4_ifval([$3], +[else + $3 +])dnl +fi[]dnl +])]) |