Remove bashisms from shell scripts

Replace backticks in bootstrap with POSIX subshell substitution.

Restructure cppcheck.sh to help readability and remove bashisms.

bootstrap

@@ -12,13 +12,13 @@ AUTOMAKE=automake
 # Check if we compile on OSX and resolve the name conflict with
 # Apple's tool for creating Mach-O dynamic libraries.
 
-case `uname` in Darwin*) LIBTOOLIZE=glibtoolize ;; esac
+case $(uname) in Darwin*) LIBTOOLIZE=glibtoolize ;; esac
 
 # variables below this line should not need modification
-SRCDIR=`dirname "$0"`
+SRCDIR=$(dirname "$0")
 test -z "$SRCDIR" && SRCDIR=.
 
-ORIGDIR=`pwd`
+ORIGDIR=$(pwd)
 
 PROJECT=hamlib
 

cppcheck.sh

@@ -1,16 +1,108 @@
+#!/bin/sh
+
 # Author Michael Black W9MDB
 # This SUPPRESS setting results in no warnings as of 2020-01-14
 # There are things that could still be done...especialy in the C++ area
 echo "See cppcheck.log when done"
 echo "There should be no errors or warnings"
 echo "This takes several hours to run"
+
 # We do suppress some errors which are expected or other code
 # There are quite a few C++ items to take care of still if anybody cares
-SUPPRESS="-i c++/rigclass.cc -i c++/rotclass.cc -i c++/ampclass.cc -i bindings -i lib/getopt.c -i lib/getopt_long.c --suppress=*:extra/gnuradio/demod.h --suppress=*:extra/gnuradio/HrAGC.h --suppress=*:extra/gnuradio/nfm.h --suppress=*:extra/gnuradio/am.h --suppress=*:extra/gnuradio/ssb.h --suppress=*:extra/gnuradio/wfm.h --suppress=*:extra/gnuradio/wfm.h --suppress=*:extra/gnuradio/HrAGC.h --suppress=knownConditionTrueFalse:tests/rotctl.c --suppress=knownConditionTrueFalse:tests/rigctl.c --suppress=knownConditionTrueFalse:tests/ampctl.c --suppress=knownConditionTrueFalse:tests/rotctl_parse.c --suppress=knownConditionTrueFalse:tests/rigctl_parse.c --suppress=knownConditionTrueFalse:tests/ampctl_parse.c"
+SUPPRESS="\
-#CHECK="-D RIG_LEVEL_LINEOUT=1 -D SIGPIPE -D SIGINT -D IPV6_V6ONLY -D RIG_MODE_WFM -D ABI_VERSION=4 -D F_SETSIG=1 -U O_ASYNC -U SA_SIGINFO -U HASH_BLOOM -U HASH_EMIT_KEYS -U HASH_FUNCTION -U __USEP5P6__"
+-i c++/rigclass.cc \
-CHECK="-Duint64_t -D HAVE_CONFIG_H -D HAMLIB_EXPORT -D HAMLIB_EXPORT_VAR -D __WORDSIZE -D BACKEND_EXPORT -D PRId64 -D DECLARE_INITRIG_BACKEND -D DECLARE_INITRROT_BACKEND -D DECLARE_INITAMP_BACKEND -U RIG_LEVEL_LINEOUT -U O_ASYNC -U F_SETSIG -U SA_SIGINFO -U SIGPIPE -U gai_strerror -U CMSPAR -U TIOCCBRK -U TIOCSBRK -U TIOCMBIC -U TIOCMBIS -U HASH_BLOOM -U HASH_EMIT_KEYS -U HASH_FUNCTION -U IPV6_V6ONLY -D SIGINT -D WIN32 -D HAVE_SIGNAL"
+-i c++/rotclass.cc \
-if [ "$1" == "" ];then
+-i c++/ampclass.cc \
-cppcheck --inline-suppr -I src -I include --include=include/config.h --include=include/hamlib/rig.h -q --force --enable=all --std=c99 $SUPPRESS $CHECK . &>cppcheck.log
+-i bindings \
+-i lib/getopt.c \
+-i lib/getopt_long.c \
+--suppress=*:extra/gnuradio/demod.h \
+--suppress=*:extra/gnuradio/HrAGC.h \
+--suppress=*:extra/gnuradio/nfm.h \
+--suppress=*:extra/gnuradio/am.h \
+--suppress=*:extra/gnuradio/ssb.h \
+--suppress=*:extra/gnuradio/wfm.h \
+--suppress=*:extra/gnuradio/wfm.h \
+--suppress=*:extra/gnuradio/HrAGC.h \
+--suppress=knownConditionTrueFalse:tests/rotctl.c \
+--suppress=knownConditionTrueFalse:tests/rigctl.c \
+--suppress=knownConditionTrueFalse:tests/ampctl.c \
+--suppress=knownConditionTrueFalse:tests/rotctl_parse.c \
+--suppress=knownConditionTrueFalse:tests/rigctl_parse.c \
+--suppress=knownConditionTrueFalse:tests/ampctl_parse.c"
+
+#CHECK="\
+#-D RIG_LEVEL_LINEOUT=1 \
+#-D SIGPIPE \
+#-D SIGINT \
+# -D IPV6_V6ONLY \
+# -D RIG_MODE_WFM \
+# -D ABI_VERSION=4 \
+# -D F_SETSIG=1 \
+# -U O_ASYNC \
+# -U SA_SIGINFO \
+# -U HASH_BLOOM \
+# -U HASH_EMIT_KEYS \
+# -U HASH_FUNCTION \
+# -U __USEP5P6__"
+
+CHECK="\
+-Duint64_t \
+-D HAVE_CONFIG_H \
+-D HAMLIB_EXPORT \
+-D HAMLIB_EXPORT_VAR \
+-D __WORDSIZE \
+-D BACKEND_EXPORT \
+-D PRId64 \
+-D DECLARE_INITRIG_BACKEND \
+-D DECLARE_INITRROT_BACKEND \
+-D DECLARE_INITAMP_BACKEND \
+-U RIG_LEVEL_LINEOUT \
+-U O_ASYNC \
+-U F_SETSIG \
+-U SA_SIGINFO \
+-U SIGPIPE \
+-U gai_strerror \
+-U CMSPAR \
+-U TIOCCBRK \
+-U TIOCSBRK \
+-U TIOCMBIC \
+-U TIOCMBIS \
+-U HASH_BLOOM \
+-U HASH_EMIT_KEYS \
+-U HASH_FUNCTION \
+-U IPV6_V6ONLY \
+-D SIGINT \
+-D WIN32 \
+-D HAVE_SIGNAL"
+
+# If no directory or file name provided, scan the entire project.
+if test $# -eq 0 ; then
+        cppcheck --inline-suppr \
+                 -I src \
+                 -I include \
+                 --include=include/config.h \
+                 --include=include/hamlib/rig.h \
+                 -q \
+                 --force \
+                 --enable=all \
+                 --std=c99 \
+                 $SUPPRESS \
+                 $CHECK \
+                 . \
+                 >cppcheck.log 2>&1
 else
-cppcheck --check-config --inline-suppr -I src -I include --include=include/config.h --include=include/hamlib/rig.h -q --force --enable=all --std=c99 $SUPPRESS $CHECK $1
+        cppcheck --check-config \
+                 --inline-suppr \
+                 -I src \
+                 -I include \
+                 --include=include/config.h \
+                 --include=include/hamlib/rig.h \
+                 -q \
+                 --force \
+                 --enable=all \
+                 --std=c99 \
+                 $SUPPRESS \
+                 $CHECK \
+                 $1
 fi