diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 20 |
1 files changed, 6 insertions, 14 deletions
diff --git a/configure.in b/configure.in index aba01602fd..2210ac53b4 100644 --- a/configure.in +++ b/configure.in @@ -63,20 +63,12 @@ fi GNU_LD=$rb_cv_prog_gnu_ld AC_SUBST(GNU_LD)]) -unset GREP_OPTIONS -rb_version=`grep '^#define RUBY_VERSION ' $srcdir/version.h` -MAJOR=`expr "$rb_version" : '#define RUBY_VERSION "\([0-9][0-9]*\)\.[0-9][0-9]*\.[0-9][0-9]*"'` -MINOR=`expr "$rb_version" : '#define RUBY_VERSION "[0-9][0-9]*\.\([0-9][0-9]*\)\.[0-9][0-9]*"'` -TEENY=`expr "$rb_version" : '#define RUBY_VERSION "[0-9][0-9]*\.[0-9][0-9]*\.\([0-9][0-9]*\)"'` -if test "$MAJOR" = ""; then - AC_MSG_ERROR(could not determine MAJOR number from version.h) -fi -if test "$MINOR" = ""; then - AC_MSG_ERROR(could not determine MINOR number from version.h) -fi -if test "$TEENY" = ""; then - AC_MSG_ERROR(could not determine TEENY number from version.h) -fi +eval `sed -n 's/^#define RUBY_VERSION_\([A-Z][A-Z_0-9]*\) \([0-9][0-9]*\)/\1=\2/p' $srcdir/version.h` +for v in MAJOR MINOR TEENY; do + if eval "test \"\$$v\" = ''"; then + AC_MSG_ERROR(could not determine $v number from version.h) + fi +done AC_SUBST(MAJOR) AC_SUBST(MINOR) AC_SUBST(TEENY) |