> -----Original Message----- > From: autoconf-bounces+jeff.daily=pnl.gov@xxxxxxx [mailto:autoconf- > bounces+jeff.daily=pnl.gov@xxxxxxx] On Behalf Of Adam Mercer > Sent: Thursday, April 07, 2011 9:53 AM > To: autoconf@xxxxxxx > Subject: Handling multiple conditions in if statements > > Hi > > In one of my macros I need to do one thing on linux platforms and another > on others, in the macro I have the followings: > > if test "x$build_os" = "xlinux"; then > # case for linux > else > # other platforms > fi > > I recently received a bug report that this wasn't working as the users system > had $build_os defined as 'linux-gnu', whereas on others it was just 'linux'. I > then tried to change the if statement to: > > if test "x$build_os" = "xlinux" -o test "x$build_os" = "xlinux-gnu"; then > > but that didn't work, in fact any of the usual ways I would do an OR in shell > script didn't work. > > How can I have an if statement with multiple conditions? Or is there a better > way to accomplish this? Try a case statement. I use the m4sh version e.g. AS_CASE([$build_os], [*linux*], [AS_ECHO(["case for linux"])], [AS_ECHO(["other platforms"])]) _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx http://lists.gnu.org/mailman/listinfo/autoconf
