unicon: use CXXFLAGS not CFLAGS when bulding C++

Author: jmroot

lang/unicon/Portfile

@@ -31,9 +31,10 @@ depends_lib-append      port:libogg \
                         port:xorg-libX11 \
                         port:zlib
 
-patch.pre_args-replace  -p0 -p1
-patchfiles              implicit.patch
+patchfiles              implicit.patch \
+                        CXXFLAGS.patch
 
+configure.args          --enable-verbosebuild
 # Linker fails without explicitly providing OpenSSL this way even
 # though the openssl PG setup is detected during configure phase
 configure.libs-append   -L[openssl::lib_dir]

lang/unicon/files/CXXFLAGS.patch

@@ -0,0 +1,14 @@
+Use CXXFLAGS when building C++. Fixed upstream in
+<https://github.com/uniconproject/unicon/commit/adc981124123da5bc42b22a96fbe1c3c195031b5>.
+
+--- src/common/Makefile.orig	2020-12-21 16:08:43
++++ src/common/Makefile	2026-03-27 11:24:34
+@@ -89,7 +89,7 @@
+ drawstring3d.$(O): drawstring3d.cc
+ 	@if test "`which $(CXX)`" != "" ; then \
+ 		echo "Got C++, building drawstring3d.o"; \
+-		$(CXX) -c $(CPPFLAGS) $(CFLAGS) -I/usr/include/freetype2 -I/opt/X11/include/freetype2 -o drawstring3d.o drawstring3d.cc; \
++		$(CXX) -c $(CPPFLAGS) $(CXXFLAGS) -I/usr/include/freetype2 -I/opt/X11/include/freetype2 -o drawstring3d.o drawstring3d.cc; \
+ 	else \
+ 		echo "No C++, too bad"; \
+ 		echo "extern void syserr(char*); int cpp_drawstring3d(double x, double y, double z, char *s, char *f, int t, int size, void **tfont) { syserr(\"no C++; it is required for 3d fonts\"); return -1; } " > drawstring3d.c ; \

lang/unicon/files/implicit.patch

@@ -3,8 +3,8 @@ Fix:
 error: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))' [-Wimplicit-function-declaration]
 
 diff -urN a/configure b/configure
---- a/configure	2020-12-21 00:08:43.000000000 -0500
-+++ b/configure	2026-03-23 00:58:22.654500274 -0400
+--- configure.orig	2020-12-21 00:08:43.000000000 -0500
++++ configure	2026-03-23 00:58:22.654500274 -0400
 @@ -13805,7 +13805,7 @@
 
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext