patch relic to be compatible with wasm

CMakeLists.txt

@@ -57,6 +57,8 @@ FetchContent_Declare(
   GIT_TAG ${RELIC_GIT_TAG}
 )
 
+string(CONCAT RELIC_SRC ${FETCHCONTENT_BASE_DIR} "/relic-src")
+
 # Relic related options
 
 set(STBIN TRUE)
@@ -132,6 +134,13 @@ set(PP_METHD "LAZYR;OATEP" CACHE STRING "")
 
 FetchContent_MakeAvailable(relic)
 
+message(STATUS "Patching Relic to make setjmp.h inclusion conditional")
+
+execute_process(
+  COMMAND bash -c "git apply ${CMAKE_SOURCE_DIR}/setjmp_patch.diff"
+  WORKING_DIRECTORY ${RELIC_SRC}
+)
+
 add_subdirectory(src)
 
 

setjmp_patch.diff

@@ -0,0 +1,41 @@
+diff --git a/include/relic_err.h b/include/relic_err.h
+index e16f71fe..a4adb107 100644
+--- a/include/relic_err.h
++++ b/include/relic_err.h
+@@ -33,7 +33,6 @@
+ #define RLC_ERR_H
+
+ #include <stdint.h>
+-#include <setjmp.h>
+ #include <stdlib.h>
+ #include <stdio.h>
+ #include <string.h>
+@@ -43,6 +42,10 @@
+ #include "relic_util.h"
+ #include "relic_label.h"
+
++#ifdef CHECK
++#include <setjmp.h>
++#endif
++
+ /*============================================================================*/
+ /* Constant definitions                                                       */
+ /*============================================================================*/
+@@ -94,6 +97,8 @@ enum errors {
+  */
+ typedef int err_t;
+
++#ifdef CHECK
++
+ /**
+  * Type that describes an error status, including the error code and the program
+  * location where the error occurred.
+@@ -107,6 +112,8 @@ typedef struct _sts_t {
+ 	int block;
+ } sts_t;
+
++#endif
++
+ /*============================================================================*/
+ /* Macro definitions                                                          */
+ /*============================================================================*/