diff options
| -rw-r--r-- | configure.ac | 50 |
1 files changed, 41 insertions, 9 deletions
diff --git a/configure.ac b/configure.ac index 797940a..3759f1a 100644 --- a/configure.ac +++ b/configure.ac @@ -5,21 +5,53 @@ AM_CONFIG_HEADER([config.h]) AM_MAINTAINER_MODE AM_INIT_AUTOMAKE -dnl sed is mandatory for configure process -AC_PATH_PROG([SED], [sed], [not found], +dnl SED is mandatory for configure process and libtool. +dnl Set it now and prevent it from being changed later. +AC_PATH_PROG([SED], [sed], [not_found], [$PATH:/usr/bin:/usr/local/bin]) -AC_SUBST([SED]) -if test -z "$SED" || test "$SED" = "not found"; then - AC_MSG_ERROR([Cannot continue without sed.]) +if test -z "$SED" || test "$SED" = "not_found"; then + AC_MSG_ERROR([sed not found in PATH. Cannot continue without sed.]) fi +ac_cv_prog_sed="$SED" +ac_cv_prog_SED="$SED" +AC_SUBST([SED]) -dnl grep is mandatory for configure process -AC_PATH_PROG([GREP], [grep], [not found], +dnl GREP is mandatory for configure process and libtool. +dnl Set it now and prevent it from being changed later. +AC_PATH_PROG([GREP], [grep], [not_found], [$PATH:/usr/bin:/usr/local/bin]) +if test -z "$GREP" || test "$GREP" = "not_found"; then + AC_MSG_ERROR([grep not found in PATH. Cannot continue without grep.]) +fi +ac_cv_prog_grep="$GREP" +ac_cv_prog_GREP="$GREP" AC_SUBST([GREP]) -if test -z "$GREP" || test "$GREP" = "not found"; then - AC_MSG_ERROR([Cannot continue without grep.]) + +dnl EGREP is mandatory for configure process and libtool. +dnl Set it now and prevent it from being changed later. +if echo a | ($GREP -E '(a|b)') >/dev/null 2>&1; then + AC_MSG_CHECKING([for egrep]) + EGREP="$GREP -E" + AC_MSG_RESULT([$EGREP]) +else + AC_PATH_PROG([EGREP], [egrep], [not_found], + [$PATH:/usr/bin:/usr/local/bin]) +fi +if test -z "$EGREP" || test "$EGREP" = "not_found"; then + AC_MSG_ERROR([egrep not found in PATH. Cannot continue without egrep.]) +fi +ac_cv_prog_egrep="$EGREP" +ac_cv_prog_EGREP="$EGREP" +AC_SUBST([EGREP]) + +dnl AR is mandatory for configure process and libtool. +dnl This is target dependant, so check it as a tool. +AC_PATH_TOOL([AR], [ar], [not_found], + [$PATH:/usr/bin:/usr/local/bin]) +if test -z "$AR" || test "$AR" = "not_found"; then + AC_MSG_ERROR([ar not found in PATH. Cannot continue without ar.]) fi +AC_SUBST([AR]) dnl dnl Detect the canonical host and target build environment |