diff options
| -rw-r--r-- | configure.ac | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/configure.ac b/configure.ac index a2d05707e..52625b92b 100644 --- a/configure.ac +++ b/configure.ac @@ -42,19 +42,22 @@ AC_LANG_PUSH(C++) AC_CHECK_HEADERS([locale]) AC_LANG_POP(C++) -AC_PATH_PROG(curl, curl) -AC_PATH_PROG(bzip2, bzip2) -AC_PATH_PROG(bunzip2, bunzip2) -AC_PATH_PROG(shell, sh) -AC_PATH_PROG(xmllint, xmllint) -AC_PATH_PROG(xsltproc, xsltproc) +AC_DEFUN([NEED_PROG], +[AC_PATH_PROG($1, $2) +if test -z "$$1"; then + AC_MSG_ERROR([$1 is required]) +fi +]) + +NEED_PROG(curl, curl) +NEED_PROG(bzip2, bzip2) +NEED_PROG(bunzip2, bunzip2) +NEED_PROG(shell, sh) +AC_PATH_PROG(xmllint, xmllint, false) +AC_PATH_PROG(xsltproc, xsltproc, false) AC_PATH_PROG(flex, flex, false) AC_PATH_PROG(bison, bison, false) -AC_PATH_PROG(perl, perl) -if test -z "$perl"; then - echo "Perl is required for Nix." - exit 1 -fi +NEED_PROG(perl, perl) AC_ARG_WITH(docbook-catalog, AC_HELP_STRING([--with-docbook-catalog=PATH], [path of the DocBook XML DTD]), |