Check for openssl headers/libs when enabling ermt.

[dump.git] / configure.in

diff --git a/configure.in b/configure.in
index eb54a532b944fbd8cb05df0cf2893d6f35cc0461..9a980eaa0ce57273e04914ddca4dcaed2e7957d1 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -82,6 +82,33 @@ echo "Compiling rmt by default"
 )
 AC_SUBST(RMTDIR)
 
+dnl
+dnl Handle --enable-ermt
+dnl
+AC_ARG_ENABLE([ermt],
+[  --enable-ermt              compile ermt, an encrypting version of rmt (default is NO)],
+if test "$enableval" = "no"
+then
+       ERMT=""
+       CRYPTO=""
+       echo "Not compiling ermt"
+else
+       if test "$RMTDIR" = ""
+       then
+               AC_MSG_ERROR(ermt requires --enable-rmt)
+       fi
+       ERMT="ermt"
+       CRYPTO="-lcrypto"
+       echo "Compiling ermt"
+fi
+,
+ERMT=""
+CRYPTO=""
+echo "Not compiling ermt by default"
+)
+AC_SUBST(ERMT)
+AC_SUBST(CRYPTO)
+
 dnl
 dnl Handle --enable-kerberos
 dnl
@@ -321,7 +348,7 @@ AC_SUBST(DUMPDATESPATH)
 dnl
 dnl Check for Ext2fs headers and libraries
 dnl
-AC_CHECK_HEADER(ext2fs/ext2fs.h, [ext2fs_h=yes], [ext2fs_h=no])
+AC_CHECK_HEADER(ext2fs/ext2fs.h, [ext2fs_h=yes], [ext2fs_h=no], [-])
 AC_CHECK_LIB(ext2fs, ext2fs_open, [ext2fs_lib=yes], [ext2fs_lib=no], [-lcom_err])
 if test "$ext2fs_h" = no -o "$ext2fs_lib" = no; then
        AC_MSG_ERROR(You need to install the Ext2fs libraries from the E2fsprogs distribution first - hint: make install-libs)
@@ -330,7 +357,7 @@ fi
 dnl
 dnl Try to use ext2_fs.h header from libext2fs instead of from the kernel
 dnl
-AC_CHECK_HEADERS(ext2fs/ext2_fs.h)
+AC_CHECK_HEADERS(ext2fs/ext2_fs.h, [], [], [-])
 
 dnl
 dnl Check for ext2_ino_t type
@@ -375,7 +402,7 @@ fi
 dnl
 dnl Check for readline headers and libraries
 dnl
-AC_CHECK_HEADER(readline/readline.h, [readline_h=yes], [readline_h=no])
+AC_CHECK_HEADER(readline/readline.h, [readline_h=yes], [readline_h=no], [-])
 AC_CHECK_LIB(readline, readline, [readline_lib=yes], [readline_lib=no], "-ltermcap")
 if test "$readline_h" = no -o "$readline_lib" = no; then
        if test "$READLINE" = "-lreadline -ltermcap"; then
@@ -402,7 +429,7 @@ fi
 dnl
 dnl Check for zlib headers and libraries
 dnl
-AC_CHECK_HEADER(zlib.h, [zlib_h=yes], [zlib_h=no])
+AC_CHECK_HEADER(zlib.h, [zlib_h=yes], [zlib_h=no], [-])
 AC_CHECK_LIB(z, compress2, [zlib_lib=yes], [zlib_lib=no])
 if test "$zlib_h" = yes -a "$zlib_lib" = yes; then
        ZLIB="-lz"
@@ -415,7 +442,7 @@ AC_SUBST(ZLIB)
 dnl
 dnl Check for bzlib headers and libraries
 dnl
-AC_CHECK_HEADER(bzlib.h, [bzlib_h=yes], [bzlib_h=no])
+AC_CHECK_HEADER(bzlib.h, [bzlib_h=yes], [bzlib_h=no], [-])
 AC_CHECK_LIB(bz2, BZ2_bzBuffToBuffCompress, [bzlib_lib=yes], [bzlib_lib=no])
 if test "$bzlib_h" = yes -a "$bzlib_lib" = yes; then
        BZLIB="-lbz2"
@@ -453,6 +480,17 @@ if test "$ac_cv_func_glob" = "yes"; then
        ])
 fi
 
+dnl
+dnl Check for OpenSSL, for ermt
+dnl
+if test "$ERMT" != ""; then
+       AC_CHECK_HEADER(openssl/evp.h, [evp_h=yes], [evp_h=no])
+       AC_CHECK_LIB(crypto, EVP_CIPHER_CTX_set_padding, [crypto_lib=yes], [crypto_lib=no])
+       if test "$evp_h" = no -o "$crypto_lib" = no; then
+               AC_MSG_ERROR(You need to install the OpenSSL library (version 0.9.7a or later), or configure without --enable-ermt)
+       fi
+fi
+
 dnl
 dnl Check for types
 dnl