Fix usage of sed and man page on OSX

CMakeLists.txt

@@ -30,7 +30,15 @@ add_custom_target(
 )
 
 # Install the ttrts man page
-install( FILES "${CMAKE_BINARY_DIR}/ttrts.6" DESTINATION man/man6/ )
+if( ${CMAKE_SYSTEM_NAME} MATCHES "Darwin" )
+    set ( MANPAGE_LOC share/man/man6 )
+elseif( ${CMAKE_SYSTEM_NAME} MATCHES "Linux" )
+    set ( MANPAGE_LOC man/man6 )
+else()
+    message(ERROR "Unsupported system detected")
+endif()
+
+install( FILES "${CMAKE_BINARY_DIR}/ttrts.6" DESTINATION ${MANPAGE_LOC} )
 
 # Subprojects
 add_subdirectory( source/ttrts )

scripts/gen_manpage.sh

@@ -1,13 +1,15 @@
 #! /bin/bash
 # Used to a man page from markdown
 
-
-
 echo ".\" Man page for the ttrts project" > $4
 echo ".\" this man page is auto-generated, do not edit directly" >> $4
 
 echo ".TH TTRTS\ v$1.$2.$3 6 $(date +%Y-%m-%d) http://mdiluz.github.io/ttrts/" >> $4
 
+# NOTE: For the OSX version of sed we use -E, which on linux appears be an undocumented switch for -r
+# we also have to use [A-Za-z] instead of \w for some reason
+# as well as escaped new line characters and literal tabs instead of \n and \t
+
 # sections to section headers
 # sub-sections in man page sub-sections
 # 4-space lines to tabs
@@ -19,13 +21,15 @@ echo ".TH TTRTS\ v$1.$2.$3 6 $(date +%Y-%m-%d) http://mdiluz.github.io/ttrts/" >
 # underline mapfile opt
 # ensure name section uses correct
 cat "$5" \
- | sed -r 's/^# (\w+)/.SH \1/g'					\
- | sed -r 's/^##+ (\w+)/.SS \1/g'  	    		\
- | sed -r 's/^    (.*)$/\n\t\1\n/g'  			\
- | sed -r 's/^\t//g'  		            		\
- | sed -r 's/\$\{(\w+)\}/\\fB\$\1\\fR/g'		\
- | sed -r 's/\{(\w+)\}/\\fI\1\\fR/g'  			\
- | sed -r 's/-----+//g'  	            		\
- | sed -r 's/`(.*?)`/\\fB\1\\fR/g'  	        \
- | sed -r 's/MAPFILE/\\fImapfile\\fR/g'  	    \
- | sed -r 's/\tttrts -/\tttrts \\-/g'   		>> $4
+ | sed -E 's/^# ([A-Za-z]+)/.SH \1/g'					\
+ | sed -E 's/^##+ ([A-Za-z]+)/.SS \1/g'  	    		\
+ | sed -E 's/^    (.*)$/\
+	\1\
+/g'  			                                        \
+ | sed -E 's/^	//g'  		            		    \
+ | sed -E 's/\$\{([A-Za-z]+)\}/\\fB\$\1\\fR/g'		    \
+ | sed -E 's/\{([A-Za-z]+)\}/\\fI\1\\fR/g'  			\
+ | sed -E 's/-----+//g'  	            		        \
+ | sed -E 's/`(.*)`/\\fB\1\\fR/g'  	                    \
+ | sed -E 's/MAPFILE/\\fImapfile\\fR/g'  	            \
+ | sed -E 's/	ttrts -/	ttrts \\-/g'   		>> $4

scripts/gen_usage.sh

@@ -1,10 +1,10 @@
 #! /bin/bash
 # Used to generate usage text from markdown
+
 cat README.md                        \
-    | sed 's/^#\+ //g'               \
-    | sed 's/^\t/\\t/g'              \
-    | sed 's/^    /\\t/g'            \
-    | sed ':a;N;$!ba;s/\n/\\n\n/g'   \
-    | sed 's/^/\"/'                  \
-    | sed 's/$/\"/'                  \
+    | sed -E 's/^#+ //g'               \
+    | sed -E 's/^	/\\t/g'              \
+    | sed -E 's/^    /\\t/g'            \
+    | sed -E 's/^/\"/'                  \
+    | sed -E 's/$/\\n\"/'               \
     > $1