diff options
Diffstat (limited to 'acinclude.m4')
-rw-r--r-- | acinclude.m4 | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4 index 7317974bd..820e3ac20 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -1873,3 +1873,37 @@ else AC_MSG_WARN([`missing' script is too old or missing]) fi ]) + + +dnl CURL_VERIFY_RUNTIMELIBS +dnl ------------------------------------------------- +dnl Verify that the shared libs found so far can be used when running +dnl programs, since otherwise the situation will create odd configure errors +dnl that are misleading people. +dnl +dnl Make sure this test is run BEFORE the first test in the script that +dnl runs anything, which at the time of this writing is the AC_CHECK_SIZEOF +dnl macro. It must also run AFTER all lib-checking macros are complete. + +AC_DEFUN([CURL_VERIFY_RUNTIMELIBS], [ + + dnl this test is of course not sensible if we are cross-compiling! + if test "x$cross_compiling" != xyes; then + + dnl just run a program to verify that the libs checked for previous to this + dnl point also is available run-time! + AC_MSG_CHECKING([run-time libs availability]) + AC_TRY_RUN([ +main() +{ + return 0; +} +], + AC_MSG_RESULT([fine]), + AC_MSG_RESULT([failed]) + AC_MSG_ERROR([one or more libs available at link-time are not available run-time. Libs used at link-time: $LIBS]) + ) + + dnl if this test fails, configure has already stopped + fi +]) |