preflight.ac

#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

AC_PREREQ([2.64])
AC_INIT([FULL-PACKAGE-NAME], [VERSION], [BUG-REPORT-ADDRESS])
# AC_CONFIG_SRCDIR([config.h.in])
# AC_CONFIG_HEADERS([config.h])

# Checks for programs.
AC_PROG_CC
AC_PROG_CPP
AC_PROG_CXX

AC_CHECK_PROG(have_bunzip2, bunzip2, yes)
AC_CHECK_PROG(have_tar, tar, yes)
AC_CHECK_PROG(have_gunzip, gunzip, yes)
AC_CHECK_PROG(have_make, make, yes)
AC_CHECK_PROG(have_patch, patch, yes)

AC_PATH_PROG(have_xml2_config, xml2-config)
AC_PATH_PROG(have_xslt_config, xslt-config)

# checks for libraries and headers

AC_CHECK_HEADER([openssl/ssl.h], AC_SUBST(have_ssl_h, yes), AC_SUBST(have_ssl_h, no))

AC_SUBST(have_readline, no)
AC_CHECK_LIB(readline, main, AC_CHECK_HEADER([readline/readline.h], AC_SUBST(have_readline, yes)))

AC_SUBST(have_libz, no)
AC_CHECK_LIB(z, gzread, AC_CHECK_HEADER([zlib.h], AC_SUBST(have_libz, yes)))

AC_SUBST(have_libjpeg, no)
AC_CHECK_LIB(jpeg, jpeg_read_header, AC_CHECK_HEADER([jpeglib.h], AC_SUBST(have_libjpeg, yes)))

AC_SUBST(have_ssl, no)
AC_CHECK_LIB(ssl, SSL_accept,
    AC_CHECK_HEADER([ssl.h], AC_SUBST(have_ssl, yes))
    AC_CHECK_HEADER([openssl/ssl.h], AC_SUBST(have_ssl, yes))
)

AC_CONFIG_FILES([buildenv.sh])
AC_OUTPUT