From 999b58c1ff0d6f533c1fa7c110820c0ed26ec88e Mon Sep 17 00:00:00 2001 From: nobu Date: Wed, 14 Mar 2018 14:07:00 +0000 Subject: configure.ac: basic libs * configure.ac: basic libraries like -lm are necessary for some extension libraries on some platforms. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62749 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- configure.ac | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'configure.ac') diff --git a/configure.ac b/configure.ac index 02fec2e0a4..d2f22b5744 100644 --- a/configure.ac +++ b/configure.ac @@ -18,7 +18,6 @@ AC_DISABLE_OPTION_CHECKING AC_ARG_VAR([cflags], [additional CFLAGS]) AC_ARG_VAR([cppflags], [additional CPPFLAGS]) AC_ARG_VAR([cxxflags], [additional CXXFLAGS]) -ORIG_LIBS=$LIBS { # environment section @@ -716,13 +715,16 @@ AS_CASE(["$target_os"], dnl Checks for libraries. AS_CASE(["$target_os"],[*bsd*|dragonfly*],[],[ac_cv_func_daemon=no]) +AS_UNSET(ORIG_LIBS) POSTLINK=: AC_SUBST(POSTLINK) AS_CASE(["$target_os"], [nextstep*], [ ], [openstep*], [ ], [rhapsody*], [ ], -[darwin*], [ RUBY_PREPEND_OPTION(LIBS, -lobjc) +[darwin*], [ + ORIG_LIBS="$LIBS" + RUBY_PREPEND_OPTION(LIBS, -lobjc) RUBY_APPEND_OPTIONS(CPPFLAGS, -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE -D_DARWIN_UNLIMITED_SELECT -D_REENTRANT) AC_MSG_CHECKING(whether Mac OS X 10.5 or later) AC_TRY_CPP([#include @@ -959,6 +961,7 @@ main() ac_cv_func_round=no ], [ LIBS="-lm $LIBS"]) +: ${ORIG_LIBS=$LIBS} AC_CHECK_LIB(crypt, crypt) # glibc (GNU/Linux, GNU/Hurd, GNU/kFreeBSD) AC_CHECK_LIB(dl, dlopen) # Dynamic linking for SunOS/Solaris and SYSV -- cgit v1.2.3