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| author | Jay Berkenbilt <ejb@ql.org> | 2019-11-05 20:32:28 +0100 |
|---|---|---|
| committer | Jay Berkenbilt <ejb@ql.org> | 2019-11-09 15:53:38 +0100 |
| commit | 88bedb41fe82df312d62e364a5a216b62fc8807c (patch) | |
| tree | 5ca03a77196d780f4b2d39d93ab1b03e9dd1eeee /configure.ac | |
| parent | cc14523440c99ff970e9a002f600133deab4b5dd (diff) | |
| download | qpdf-88bedb41fe82df312d62e364a5a216b62fc8807c.tar.zst | |
Implement gnutls crypto provider (fixes #218)
Thanks to Zdenek Dohnal <zdohnal@redhat.com> for contributing the code
used for the gnutls crypto provider.
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index d7223d06..1f6b151a 100644 --- a/configure.ac +++ b/configure.ac @@ -506,6 +506,49 @@ if test "$USE_CRYPTO_NATIVE" = "1"; then DEFAULT_CRYPTO=native fi +dnl If the gnutls provider is explicitly requested, require gnutls. If +dnl the gnutls provider is not explicitly disabled, enable it if +dnl gnutls is available. If the gnutls provider is explicitly +dnl disabled, do not link with gnutls even if present. + +PKG_CHECK_MODULES([pc_gnutls], [gnutls], [GNUTLS_FOUND=1], [GNUTLS_FOUND=0]) + +IMPLICIT_GNUTLS=0 +USE_CRYPTO_GNUTLS=0 +AC_SUBST(USE_CRYPTO_GNUTLS) +AC_ARG_ENABLE(crypto-gnutls, + AS_HELP_STRING([--enable-crypto-gnutls], + [whether to include support for gnutls crypto provider]), + [if test "$enableval" = "yes"; then + USE_CRYPTO_GNUTLS=1 + else + USE_CRYPTO_GNUTLS=0 + fi], + [IMPLICIT_GNUTLS=$IMPLICIT_CRYPTO]) + +if test "$IMPLICIT_GNUTLS" = "1"; then + USE_CRYPTO_GNUTLS=$GNUTLS_FOUND + if test "$USE_CRYPTO_GNUTLS" = "1"; then + AC_MSG_NOTICE(enabling gnutls crypto provider since gnutls is available) + else + AC_MSG_NOTICE(not enabling gnutls crypto provider since gnutls was not found) + fi +fi + +if test "$USE_CRYPTO_GNUTLS" = "1" -a "$GNUTLS_FOUND" = "0"; then + AC_MSG_ERROR(unable to use requested gnutls crypto provider without gnutls) +fi + +if test "$USE_CRYPTO_GNUTLS" = "1"; then + CFLAGS="$CFLAGS $pc_gnutls_CFLAGS" + CXXFLAGS="$CXXFLAGS $pc_gnutls_CXXFLAGS" + LIBS="$LIBS $pc_gnutls_LIBS" + AC_DEFINE([USE_CRYPTO_GNUTLS], 1, [Whether to use the gnutls crypto provider]) + DEFAULT_CRYPTO=gnutls +elif test "$GNUTLS_FOUND" = "1"; then + AC_MSG_NOTICE(not linking with gnutls even though it is available) +fi + dnl Allow the default crypto provider to be specified explicitly. AC_MSG_CHECKING(which crypto to use by default) @@ -527,6 +570,11 @@ case "$DEFAULT_CRYPTO" in bad_crypto=1 fi ;; + "gnutls") + if test "$USE_CRYPTO_GNUTLS" != "1"; then + bad_crypto=1 + fi + ;; *) bad_crypto=1 ;; |