CMake workaround

CMakeLists.txt

@@ -93,6 +93,11 @@ option(
   NRN_ENABLE_ARCH_INDEP_EXP_POW
   "Provides use_exp_pow_precision(style) function so that exp and pow produce same results on all platforms"
   ${NRN_ENABLE_ARCH_INDEP_EXP_POW_DEFAULT})
+if (NRN_ENABLE_ARCH_INDEP_EXP_POW)
+    set(NRN_ENABLE_ARCH_INDEP_EXP_POW 1)
+else()
+    set(NRN_ENABLE_ARCH_INDEP_EXP_POW 0)
+endif()
 # This can be helpful in very specific CI build configurations, where ccache is used *and* different
 # CI builds are built under different directories.
 option(NRN_AVOID_ABSOLUTE_PATHS

bin/nrnivmodl.in

@@ -191,7 +191,7 @@ ${base_name// /\\ }.cpp: ${f}.mod \$(NOCMODL)
 
 ./${base_name// /\\ }.o: ${base_name// /\\ }.cpp
 	@printf \" -> \$(C_GREEN)Compiling\$(C_RESET) ${PWD}/\$<\\\n\"
-	\$(CXXCOMPILE) -I\"$dir_name\" \$(INCLUDES) @CMAKE_CXX_COMPILE_OPTIONS_PIC@ -c \"${PWD}/\$<\" -o \$@
+	\$(CXXCOMPILE) -I\"$dir_name\" \$(INCLUDES) @CMAKE_CXX_COMPILE_OPTIONS_PIC@ -DNRN_ENABLE_ARCH_INDEP_EXP_POW=@NRN_ENABLE_ARCH_INDEP_EXP_POW@ -c \"${PWD}/\$<\" -o \$@
 " >> "$MODMAKE"
 done
 

src/nocmodl/nocpout.cpp

@@ -256,8 +256,10 @@ void parout() {
 \n#if !NRNGPU\
 \n#undef exp\
 \n#define exp hoc_Exp\
+\n#if NRN_ENABLE_ARCH_INDEP_EXP_POW\
 \n#undef pow\
 \n#define pow hoc_pow\
+\n#endif\
 \n#endif\n\
 ");
     if (protect_include_) {