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Add bison version check to configure

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Since we're already checking for the minimum required re2c version,
also checking for the minimum required bison version is sensible.
This commit is contained in:
Christoph M. Becker 2019-03-18 12:27:29 +01:00
parent e072537e7f
commit f21c054903
1 changed files with 25 additions and 1 deletions
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26
win32/build/confutils.js
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@ -52,6 +52,9 @@ var PHP_MAKEFILE_FRAGMENTS = PHP_SRC_DIR + "\\Makefile.fragments.w32";
and manifest. */
var WINVER = "0x0601"; /* 7/2008r2 */
// There's a minimum requirement for bison.
var MINBISON = "3.0.0";
// There's a minimum requirement for re2c..
var MINRE2C = "0.13.4";
@ -176,6 +179,8 @@ function probe_binary(EXE, what)
var command = 'cmd /c ""' + EXE;
if (what == "version") {
command = command + '" -v"';
} else if (what == "longversion") {
command = command + '" --version"';
}
var version = execute(command + '" 2>&1"');
@ -2903,7 +2908,26 @@ function toolset_setup_project_tools()
// we don't want to define LIB, as that will override the default library path
// that is set in that env var
PATH_PROG('lib', null, 'MAKE_LIB');
if (!PATH_PROG('bison')) {
var BISON = PATH_PROG('bison');
if (BISON) {
var BISONVERS = probe_binary(BISON, "longversion");
STDOUT.WriteLine(' Detected bison version ' + BISONVERS);
if (BISONVERS.match(/^\d+.\d+$/)) {
BISONVERS += ".0";
}
var hm = BISONVERS.match(/(\d+)\.(\d+)\.(\d+)/);
var nm = MINBISON.match(/(\d+)\.(\d+)\.(\d+)/);
var intvers = (hm[1]-0)*10000 + (hm[2]-0)*100 + (hm[3]-0);
var intmin = (nm[1]-0)*10000 + (nm[2]-0)*100 + (nm[3]-0);
if (intvers < intmin) {
ERROR('The minimum bison version requirement is ' + MINBISON);
}
} else {
ERROR('bison is required')
}