Add support for openssl-3
We're currently using a raft of APIs which trigger deprecation
warnings, so add OPENSSL_API_COMPAT to the command line for openssl-3
to cause them not to break the build.
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/configure.ac b/configure.ac
index 23dbc54..23c17f4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -55,9 +55,12 @@
AC_DEFINE_UNQUOTED(HAVE_BIG_ENDIAN, $big_endian, [Big-endian system])
PKG_PROG_PKG_CONFIG()
-PKG_CHECK_MODULES(libcrypto, libcrypto,
- [],
- AC_MSG_ERROR([libcrypto (from the OpenSSL package) is required]))
+PKG_CHECK_MODULES(libcrypto, [libcrypto >= 3.0.0],
+ [ac_have_openssl3=1],
+ [PKG_CHECK_MODULES(libcrypto, libcrypto,
+ [],
+ AC_MSG_ERROR([libcrypto (from the OpenSSL package) is required]))])
+AM_CONDITIONAL(HAVE_OPENSSL3, test "$ac_have_openssl3" = "1")
PKG_CHECK_MODULES(uuid, uuid,
[],
diff --git a/src/Makefile.am b/src/Makefile.am
index e3f039b..38f93ff 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -4,6 +4,10 @@
coff_headers = coff/external.h coff/pe.h
AM_CFLAGS = -Wall -Wextra --std=gnu99
+if HAVE_OPENSSL3
+AM_CFLAGS += -DOPENSSL_API_COMPAT=0x10100000L
+endif
+
common_SOURCES = idc.c idc.h image.c image.h fileio.c fileio.h \
efivars.h $(coff_headers)
common_LDADD = ../lib/ccan/libccan.a $(libcrypto_LIBS)
