fixed sangnom and vcmod build instructions

build-plugins/plugin-sangnom.sh

@@ -1,3 +1,5 @@
-hg clone https://bitbucket.org/James1201/vapoursynth-sangnom build
-cd build
-build libsangnom
+ghdl dubhater/vapoursynth-sangnom
+CFLAGS="$CFLAGS -Wno-deprecated-declarations" meson build --prefix="$vsprefix"
+ninja -C build -j $JOBS
+ninja -C build install -j $JOBS
+

build-plugins/plugin-vcmod.sh

@@ -2,6 +2,17 @@ mkdir build
 cd build
 wget http://www.avisynth.nl/users/vcmohan/vcmod/vcmod_src.7z
 7z e vcmod_src.7z
+  rm -fr VSHelper.h VapourSynth.h
+
+  sed -e 's|vapoursynth.h|VapourSynth.h|g' \
+      -e 's|vshelper.h|VSHelper.h|g' \
+      -e 's|"VapourSynth.h"|<VapourSynth.h>|g' \
+      -e 's|"VSHelper.h"|<VSHelper.h>|g' \
+      -i *
+
+      # quick fix for strcpy_s. idea taked from https://github.com/opencv/opencv/pull/13032/files
+      patch --binary -p1 -i "../../patch/vcm_esee"
+
 sed -i 's|vapoursynth\.h|VapourSynth.h|g; s|vshelper.h|VSHelper.h|g' vcmod.cpp  # Linux is case-sensitive
 g++ -std=c++11 $CXXFLAGS $LDFLAGS -shared vcmod.cpp -o libvcmod.so
 finish libvcmod.so

patch/vcm_esee

@@ -0,0 +1,24 @@
+diff --git a/modNeural.cpp.esee b/modNeural.cpp
+index d4135b6..ba73036 100644
+--- a/modNeural.cpp.esee
++++ b/modNeural.cpp
+@@ -8,6 +8,19 @@ Author V.C.Mohan
+ Aug 26, 2017, Aug 20, 2020
+ ********************************************************************************/  
+
++#if defined(__unix__)
++static inline void linux_strcpy_s(char *dest, size_t destsz, const char *src){
++    strcpy(dest, src);
++}
++
++static inline void linux_strcat_s(char *dest, size_t destsz, const char *src){
++    strcat(dest, src);
++}
++
++#define strcpy_s linux_strcpy_s
++#define strcat_s linux_strcat_s
++#endif
++
+
+ typedef struct {
+