configure: autotools compatibility fixes - step I
authorYang Tse <yangsita@gmail.com>
Sun, 20 Jan 2013 19:23:20 +0000 (20:23 +0100)
committerYang Tse <yangsita@gmail.com>
Sun, 20 Jan 2013 19:23:20 +0000 (20:23 +0100)
commit9d1effad0524bcb4763e06659b728ba134464608
tree98c89886306a3f8de163cf32978c0860b0890e0d
parente5ea45ec2ea6034900c83b932398400923a35137
configure: autotools compatibility fixes - step I

Fix proper macro expansion order across autotools versions for
C compiler and preprocessor program checks.
configure.ac
m4/curl-compilers.m4
m4/curl-confopts.m4
m4/xc-cc-check.m4 [new file with mode: 0644]
m4/xc-val-flgs.m4 [new file with mode: 0644]