FS-10875: #resolve Portability issues for non-bash interpreters.

libs/spandsp/configure.ac

@@ -231,7 +231,7 @@ case "$host" in
     ;;
 esac
 
-if test "${build}" == "${host}"
+if test "${build}" = "${host}"
 then
     AC_CHECK_HEADERS([X11/X.h])
 fi
@@ -275,7 +275,7 @@ AC_CHECK_HEADERS([FL/Fl_Audio_Meter.H])
 
 AC_LANG([C])
 
-if test "${build}" == "${host}"
+if test "${build}" = "${host}"
 then
     case "${host}" in
     x86_64-*)

libs/spandsp/unpack_gsm0610_data.sh

@@ -53,7 +53,7 @@ else
     cd gsm0610
 fi
 
-if [ $1x == --no-exe-runx ]
+if [ $1x = --no-exe-runx ]
 then
     # Run the .exe files, which should be here
     ./FR_A.EXE
@@ -77,7 +77,7 @@ rm -rf READ_FRA.TXT
 rm -rf ACTION
 rm -rf unpacked
 
-if [ $1x == --no-exex ]
+if [ $1x = --no-exex ]
 then
     # We need to prepare the .exe files to be run separately
     rm -rf *.INP

libs/unimrcp/configure.ac

@@ -92,7 +92,7 @@ AC_ARG_ENABLE(interlib-deps,
     [enable_interlib_deps="yes"])
 
 AC_MSG_NOTICE([enable inter-library dependencies: $enable_interlib_deps])
-if test "${enable_interlib_deps}" == "yes"; then
+if test "${enable_interlib_deps}" = "yes"; then
     link_all_deplibs=yes
     link_all_deplibs_CXX=yes
 else