Update project files

tests/testsuite/test-append/Makefile.og

+export ASN1SCC=$(shell which asn1.exe)
+
 all:
 	gprbuild -p -P og.gpr          # generate Ada code from the SDL model
 	gprbuild -p -P dataview_ada.gpr  # generate Ada code from the ASN.1 model

tests/testsuite/test-append/dataview_ada.gpr

@@ -9,8 +9,12 @@ project DataView_Ada is
    end Naming;
 
    package Compiler is
-       for Driver ("ASN1") use "asn1.exe";
+       for Driver ("ASN1") use "mono";
 
-       for Leading_Required_Switches ("ASN1") use ("-Ada", "-typePrefix", "Asn1Scc");
+       for Leading_Required_Switches ("ASN1") use
+         (external("ASN1SCC"),
+         "-Ada",
+          "-typePrefix",
+          "Asn1Scc");
    end Compiler;
 end DataView_Ada;
\ No newline at end of file

tests/testsuite/test-append/dataview_c.gpr

@@ -9,8 +9,12 @@ project DataView_c is
    end Naming;
 
    package Compiler is
-       for Driver ("ASN1") use "asn1.exe";
+       for Driver ("ASN1") use "mono";
 
-       for Leading_Required_Switches ("ASN1") use ("-c", "-typePrefix", "Asn1Scc");
+       for Leading_Required_Switches ("ASN1") use
+         (external("ASN1SCC"),
+         "-c",
+          "-typePrefix",
+          "Asn1Scc");
    end Compiler;
 end DataView_c;
\ No newline at end of file

tests/testsuite/test-in-expression/Makefile.og

+export ASN1SCC=$(shell which asn1.exe)
+
 all:
 	gprbuild -p -P og.gpr          # generate Ada code from the SDL model
 	gprbuild -p -P dataview_ada.gpr  # generate Ada code from the ASN.1 model

tests/testsuite/test-in-expression/dataview_ada.gpr

@@ -9,8 +9,12 @@ project DataView_Ada is
    end Naming;
 
    package Compiler is
-       for Driver ("ASN1") use "asn1.exe";
+       for Driver ("ASN1") use "mono";
 
-       for Leading_Required_Switches ("ASN1") use ("-Ada", "-typePrefix", "Asn1Scc");
+       for Leading_Required_Switches ("ASN1") use
+         (external("ASN1SCC"),
+         "-Ada",
+          "-typePrefix",
+          "Asn1Scc");
    end Compiler;
 end DataView_Ada;
\ No newline at end of file

tests/testsuite/test-in-expression/dataview_c.gpr

@@ -9,8 +9,12 @@ project DataView_c is
    end Naming;
 
    package Compiler is
-       for Driver ("ASN1") use "asn1.exe";
+       for Driver ("ASN1") use "mono";
 
-       for Leading_Required_Switches ("ASN1") use ("-c", "-typePrefix", "Asn1Scc");
+       for Leading_Required_Switches ("ASN1") use
+         (external("ASN1SCC"),
+         "-c",
+          "-typePrefix",
+          "Asn1Scc");
    end Compiler;
 end DataView_c;
\ No newline at end of file

tests/testsuite/test-newtype/Makefile.og

+export ASN1SCC=$(shell which asn1.exe)
+
 all:
 	gprbuild -p -P og.gpr          # generate Ada code from the SDL model
 	gprbuild -p -P dataview_ada.gpr  # generate Ada code from the ASN.1 model

tests/testsuite/test-newtype/dataview_ada.gpr

@@ -9,8 +9,12 @@ project DataView_Ada is
    end Naming;
 
    package Compiler is
-       for Driver ("ASN1") use "asn1.exe";
+       for Driver ("ASN1") use "mono";
 
-       for Leading_Required_Switches ("ASN1") use ("-Ada", "-typePrefix", "Asn1Scc", "og_newtypes.asn");
+       for Leading_Required_Switches ("ASN1") use
+         (external("ASN1SCC"),
+         "-Ada",
+          "-typePrefix",
+          "Asn1Scc", "og_newtypes.asn");
    end Compiler;
 end DataView_Ada;
\ No newline at end of file

tests/testsuite/test-newtype/dataview_c.gpr

@@ -9,8 +9,12 @@ project DataView_c is
    end Naming;
 
    package Compiler is
-       for Driver ("ASN1") use "asn1.exe";
+       for Driver ("ASN1") use "mono";
 
-       for Leading_Required_Switches ("ASN1") use ("-c", "-typePrefix", "Asn1Scc", "og_newtypes.asn");
+       for Leading_Required_Switches ("ASN1") use
+         (external("ASN1SCC"),
+         "-c",
+          "-typePrefix",
+          "Asn1Scc", "og_newtypes.asn");
    end Compiler;
 end DataView_c;
\ No newline at end of file

tests/testsuite/test-standalone/Makefile.og

+export ASN1SCC=$(shell which asn1.exe)
+
 all:
 	gprbuild -p -P og.gpr          # generate Ada code from the SDL model
 	gprbuild -p -P dataview_ada.gpr  # generate Ada code from the ASN.1 model

tests/testsuite/test-standalone/dataview_ada.gpr

@@ -9,8 +9,12 @@ project DataView_Ada is
    end Naming;
 
    package Compiler is
-       for Driver ("ASN1") use "asn1.exe";
+       for Driver ("ASN1") use "mono";
 
-       for Leading_Required_Switches ("ASN1") use ("-Ada", "-typePrefix", "Asn1Scc");
+       for Leading_Required_Switches ("ASN1") use
+         (external("ASN1SCC"),
+         "-Ada",
+          "-typePrefix",
+          "Asn1Scc");
    end Compiler;
 end DataView_Ada;
\ No newline at end of file

tests/testsuite/test-substrings2/Makefile.function2

+export ASN1SCC=$(shell which asn1.exe)
+
 all:
 	gprbuild -p -P function2.gpr          # generate Ada code from the SDL model
 	gprbuild -p -P dataview_ada.gpr  # generate Ada code from the ASN.1 model

tests/testsuite/test-substrings2/dataview_ada.gpr

@@ -9,8 +9,12 @@ project DataView_Ada is
    end Naming;
 
    package Compiler is
-       for Driver ("ASN1") use "asn1.exe";
+       for Driver ("ASN1") use "mono";
 
-       for Leading_Required_Switches ("ASN1") use ("-Ada", "-typePrefix", "Asn1Scc");
+       for Leading_Required_Switches ("ASN1") use
+         (external("ASN1SCC"),
+         "-Ada",
+          "-typePrefix",
+          "Asn1Scc");
    end Compiler;
 end DataView_Ada;
\ No newline at end of file

tests/testsuite/test-substrings2/dataview_c.gpr

@@ -9,8 +9,12 @@ project DataView_c is
    end Naming;
 
    package Compiler is
-       for Driver ("ASN1") use "asn1.exe";
+       for Driver ("ASN1") use "mono";
 
-       for Leading_Required_Switches ("ASN1") use ("-c", "-typePrefix", "Asn1Scc");
+       for Leading_Required_Switches ("ASN1") use
+         (external("ASN1SCC"),
+         "-c",
+          "-typePrefix",
+          "Asn1Scc");
    end Compiler;
 end DataView_c;
\ No newline at end of file

tests/testsuite/test-substrings2/function2.gpr

@@ -2,7 +2,7 @@ project function2 is
    for Languages use ("SDL");
    for Source_Dirs use (".");
    for Object_Dir use "code";
-   for Source_Files use ("system_structure.pr");
+   for Source_Files use ("function2.pr");
 
    package Naming is
       for Body_Suffix ("SDL") use ".pr";
@@ -11,6 +11,6 @@ project function2 is
    package Compiler is
       for Driver ("SDL") use "opengeode";
       for Object_File_Suffix ("SDL") use ".adb";
-      for Leading_Required_Switches ("SDL") use ("--toAda", "../function2.pr");
+      for Leading_Required_Switches ("SDL") use ("--toAda", "../system_structure.pr");
     end Compiler;
 end function2;
\ No newline at end of file