--- include/defines.h.orig	2014-03-27 01:14:15.000000000 +0800
+++ include/defines.h	2024-01-02 01:10:35.000000000 +0800
@@ -23,7 +23,7 @@
 #define APP_FULL_NAME "EqualX - The LaTeX Equation Editor"
 #define APP_NAME "EqualX"
 #define APP_VERSION "0.7.1"
-#define APP_SITE "http://equalx.sourceforge.net/"
+#define APP_SITE "https://equalx.sourceforge.net/"
 #define AUTHOR_NAME "Mihai Niculescu"
 #define AUTHOR_EMAIL "q.quark@gmail.com"
 
@@ -72,15 +72,15 @@
 
 // LATEX
 #ifdef UNIX_PLATFORM
-#define DEFAULT_PDFLATEX "/usr/bin/pdflatex"
+#define DEFAULT_PDFLATEX "@PREFIX@/bin/pdflatex"
 #define DEFAULT_PDFLATEX_ARGS "-interaction=nonstopmode"
-#define DEFAULT_PDFCAIRO "/usr/bin/pdftocairo"
+#define DEFAULT_PDFCAIRO "@PREFIX@/bin/pdftocairo"
 #define DEFAULT_PDFCAIRO_ARGS ""
-#define DEFAULT_GS "/usr/bin/gs"
+#define DEFAULT_GS "@PREFIX@/bin/gs"
 #define DEFAULT_GS_ARGS ""
 
 //where to look for symbols.ini and the actual symbols
-#define SYMBOLS_PATH "/usr/share/equalx/resources/symbols"
+#define SYMBOLS_PATH "@PREFIX@/share/equalx/resources/symbols"
 #endif
 
 #ifdef WIN_PLATFORM