add help_all function in API

update meson.build to try to fix for MacOSX

meson.build

-############################################################
+###########################################################
 # meson build file for binary_c
 # 
 # (c) Robert Izzard 07/12/2019
@@ -46,6 +46,13 @@ project(
     version : '2.1.6', # should agree with binary_c_version.h
 )
 
+############################################################
+# variables for later
+#
+binary_c_subdir_objects = []
+binary_c_subdir_deps = []
+dependencies = [ ]
+
 ############################################################
 # require Meson 0.52.0 or later
 #
@@ -409,10 +416,6 @@ if svn_url != ''
     cflags += _flag
 endif  
 
-############################################################
-# dependencies are put in the list called dependencies
-#
-dependencies = [ ]
 
 ############################################################
 # dependencies that usually have no pkg-config
@@ -668,30 +671,7 @@ endif
 #
 run_command('meson/make_version_macros.pl')
 
-############################################################
-# data objects
-#
-# list and build them
-if os != 'darwin'
-    message('Checking and building data objects')
-
-    data_objects_compilation = run_command('meson/data_object_list_and_build.sh')
-
-    if data_objects_compilation.returncode() != 0
-        error('There was a problem building the data objects. Please check that you have objcopy installed, and try running meson/data_object_list_and_build.sh from the binary_c root directory manually to check for errors')
-    endif
-    data_objects = data_objects_compilation.stdout().strip().split(' ')
-
-    if get_option('clean_data_objects') == true
-        run_command('meson/clean_data_objects.sh')
-    endif
-else
-    data_objects = []
-endif
 
-############################################################
-# data objects V2
-#
 
 
 ############################################################
@@ -870,6 +850,67 @@ else
 
 endif
 
+
+
+############################################################
+# data objects
+#
+# list and build them
+#if os != 'darwin'
+if 1 == 1
+    message('Checking and building data objects')
+
+    data_objects_compilation = run_command('meson/data_object_list_and_build.sh')
+
+    if data_objects_compilation.returncode() != 0
+        error('There was a problem building the data objects. Please check that you have objcopy installed, and try running meson/data_object_list_and_build.sh from the binary_c root directory manually to check for errors')
+    endif
+    data_objects = data_objects_compilation.stdout().strip().split(' ')
+
+    if get_option('clean_data_objects') == true
+        run_command('meson/clean_data_objects.sh')
+    endif
+else
+
+
+    data_object_sourcefiles = run_command('meson/data_object_list_files.sh')
+
+    if data_object_sourcefiles.returncode() != 0
+        error('There was a problem identifying the data object source file.') 
+    endif
+
+    # get data objects source (.h) files 
+    data_objects_source = run_command('meson/data_object_list_files.sh').stdout().strip().split(' ')
+    
+    # list data objects (.o) files
+    data_objects_files = run_command('meson/make_data_object.sh',
+                                     'dummy',
+                                     data_objects_source).stdout().strip().split(' ')
+    
+    # build data objects
+    data_objects = custom_target(
+        'binary_c_data_objects',
+        input: [
+            data_objects_source,
+        ],
+        command: [
+            'meson/make_data_object.sh',
+            'build',
+            '@INPUT@',
+        ],
+        output: [
+        ],
+    )
+
+    binary_c_subdir_deps += declare_dependency(
+        sources: data_objects
+    ) 
+
+    data_objects = []
+    
+endif
+
+
 ############################################################
 # command to install binary_c in its 'legacy' locations
 # (required for binary_grid2)
@@ -952,8 +993,6 @@ endif
 # many .o files and this makes the command line too long
 # (even in Linux) which means the linking fails.
 #
-binary_c_subdir_objects = []
-binary_c_subdir_deps = []
 
 src_subdirs = run_command('meson/source_directories.sh').stdout().strip().split('\n')
 src_root_sourcefiles = run_command('meson/source_files.sh','./src').stdout().strip().split('\n')

meson/data_object_list_files.sh

+#!/bin/bash
+
+# list of source files associated with data objects
+meson/data_object_list.sh   | sed 's/.o\ /.h\ /g' | sed 's/.o$/.h/'

meson/make_data_object.sh

+#!/bin/bash
+
+#!/bin/bash
+
+# make generic data objects for binary_c
+# http://gareus.org/wiki/embedding_resources_in_executables
+
+: "${CC:="gcc"}"
+: "${OBJCOPY_ARCH:=$(objdump -f /bin/bash |grep architecture | gawk "{print \$2}" | sed s/,//)}"
+: "${OBJCOPY_TARGET:=$(objdump -f /bin/bash  | grep format | gawk "{print \$4}")}"
+: "${OBJCOPY_OPTS:="-I binary -B $OBJCOPY_ARCH -O $OBJCOPY_TARGET"}"
+#: "${OBJCOPY_SUBOPTS:="--rename-section .data=.rodata,alloc,load,readonly,data,contents "}"
+
+OBJCOPY_SUBOPTS=""
+DBUILT="false"
+
+COMMAND=$1
+shift
+
+for HFILE in "$@"; do
+
+    TMPFILE=$(printf "%s" "$HFILE" | sed s/\.h$/.tmp/)
+    OBJFILE=$(printf "%s/%s" "${MESON_BUILD_ROOT}" "$HFILE" | sed s/\.h$/.o/ | sed s/\\//_/g)
+
+    #echo "H $HFILE"
+    #echo "T $TMPFILE"
+    #echo "O $OBJFILE"
+
+    if [ "$COMMAND" = "build" ] ; then
+        if [ "$HFILE" -nt "$OBJFILE" ] ; then
+            if [ "$DBUILT" = true ]; then
+                # first time, build double2bin
+                $CC double2bin.c -o ./double2bin
+            fi
+            tr , ' ' < "$HFILE" | sed s/\\\\// | grep -v define |grep -v "\\*" | ./double2bin > "$TMPFILE"
+            objcopy $OBJCOPY_OPTS $OBJCOPY_SUBOPTS "$TMPFILE" "$OBJFILE"
+            rm "$TMPFILE"
+            DBUILT=true
+        fi
+    fi
+
+    echo -n "$OBJFILE "
+    #ls -l $OBJFILE
+    #echo
+done
+
+echo

src/API/binary_c_help_all.c

+#include "../binary_c.h"
+
+#ifdef BINARY_C_API
+
+void binary_c_API_function binary_c_help_all(struct stardata_t * RESTRICT const stardata)
+{
+    /*
+     * API function to put help associated arguments into the 
+     * buffer. stardata must be non-NULL for this to work, 
+     * because the buffer must be defined.
+     */
+    if(stardata != NULL)
+    {
+        struct tmpstore_t * tmpstore = stardata->tmpstore;
+        if(tmpstore == NULL)
+        {
+            build_tmpstore_contents(tmpstore);
+            stardata->tmpstore = tmpstore;
+        }
+        binary_c_help_all_from_arg(
+            tmpstore->cmd_line_args,
+            stardata, // required for the buffer
+            NULL, // dummy pointer
+            0, // dummy var
+            tmpstore->arg_count, // arg_count
+            NULL, // dummy pointer
+            -1 // must be negative
+            );     
+    }
+}
+#endif//BINARY_C_API