Bug 1903070 - Remove unused mozprog.m4 and mozheader.m4 r=glandium

Last use of MOZ_PATH_PROG got removed by bug 1896414, and last use of
MOZ_CHECK_HEADER got removed in bug 1894951.

Differential Revision: https://phabricator.services.mozilla.com/D213986

aclocal.m4

@@ -7,14 +7,10 @@ builtin(include, build/autoconf/hooks.m4)dnl
 builtin(include, build/autoconf/config.status.m4)dnl
 builtin(include, build/autoconf/toolchain.m4)dnl
 builtin(include, build/autoconf/altoptions.m4)dnl
-builtin(include, build/autoconf/mozprog.m4)dnl
-builtin(include, build/autoconf/mozheader.m4)dnl
 builtin(include, build/autoconf/compiler-opts.m4)dnl
 builtin(include, build/autoconf/arch.m4)dnl
 builtin(include, build/autoconf/clang-plugin.m4)dnl
 
-MOZ_PROG_CHECKMSYS()
-
 # Read the user's .mozconfig script.  We can't do this in
 # configure.in: autoconf puts the argument parsing code above anything
 # expanded from configure.in, and we need to get the configure options

build/autoconf/mozheader.m4

@@ -1,32 +0,0 @@
-dnl This Source Code Form is subject to the terms of the Mozilla Public
-dnl License, v. 2.0. If a copy of the MPL was not distributed with this
-dnl file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-dnl MOZ_CHECK_HEADER(HEADER-FILE, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, INCLUDES]]])
-AC_DEFUN([MOZ_CHECK_HEADER],
-[ dnl Do the transliteration at runtime so arg 1 can be a shell variable.
-  ac_safe=`echo "$1" | sed 'y%./+-%__p_%'`
-  AC_MSG_CHECKING([for $1])
-  AC_CACHE_VAL(ac_cv_header_$ac_safe,
- [ AC_TRY_COMPILE([$4
-#include <$1>], ,
-                  eval "ac_cv_header_$ac_safe=yes",
-                  eval "ac_cv_header_$ac_safe=no") ])
-  if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
-    AC_MSG_RESULT(yes)
-    ifelse([$2], , :, [$2])
-  else
-    AC_MSG_RESULT(no)
-    ifelse([$3], , , [$3])
-  fi
-])
-
-dnl MOZ_CHECK_HEADERS(HEADER-FILE... [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, INCLUDES]]])
-AC_DEFUN([MOZ_CHECK_HEADERS],
-[ for ac_hdr in $1
-  do
-    MOZ_CHECK_HEADER($ac_hdr,
-                     [ ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
-                       AC_DEFINE_UNQUOTED($ac_tr_hdr) $2], $3, [$4])
-  done
-])

build/autoconf/mozprog.m4

@@ -1,42 +0,0 @@
-dnl This Source Code Form is subject to the terms of the Mozilla Public
-dnl License, v. 2.0. If a copy of the MPL was not distributed with this
-dnl file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-AC_DEFUN([MOZ_PROG_CHECKMSYS],
-[AC_REQUIRE([AC_INIT_BINSH])dnl
-if test `uname -s | grep -c "MINGW\|MSYS" 2>/dev/null` != "0"; then
-  msyshost=1
-fi
-])
-
-AC_DEFUN([MOZ_PATH_PROG],
-[ AC_PATH_PROG($1,$2,$3,$4)
-  if test "$msyshost"; then
-    case "[$]$1" in
-    /*)
-      tmp_DIRNAME=`dirname "[$]$1"`
-      tmp_BASENAME=`basename "[$]$1"`
-      tmp_PWD=`cd "$tmp_DIRNAME" && pwd -W`
-      $1="$tmp_PWD/$tmp_BASENAME"
-      if test -e "[$]$1.exe"; then
-        $1="[$]$1.exe"
-      fi
-    esac
-  fi
-])
-
-AC_DEFUN([MOZ_PATH_PROGS],
-[  AC_PATH_PROGS($1,$2,$3,$4)
-  if test "$msyshost"; then
-    case "[$]$1" in
-    /*)
-      tmp_DIRNAME=`dirname "[$]$1"`
-      tmp_BASENAME=`basename "[$]$1"`
-      tmp_PWD=`cd "$tmp_DIRNAME" && pwd -W`
-      $1="$tmp_PWD/$tmp_BASENAME"
-      if test -e "[$]$1.exe"; then
-        $1="[$]$1.exe"
-      fi
-    esac
-  fi
-])

js/src/aclocal.m4

@@ -7,8 +7,6 @@ builtin(include, ../../build/autoconf/hooks.m4)dnl
 builtin(include, ../../build/autoconf/config.status.m4)dnl
 builtin(include, ../../build/autoconf/toolchain.m4)dnl
 builtin(include, ../../build/autoconf/altoptions.m4)dnl
-builtin(include, ../../build/autoconf/mozprog.m4)dnl
-builtin(include, ../../build/autoconf/mozheader.m4)dnl
 builtin(include, ../../build/autoconf/compiler-opts.m4)dnl
 builtin(include, ../../build/autoconf/arch.m4)dnl
 builtin(include, ../../build/autoconf/clang-plugin.m4)dnl
@@ -22,7 +20,6 @@ srcdir="$srcdir/../.."
 __MOZ_AC_INIT_PREPARE($1)
 ])
 
-MOZ_PROG_CHECKMSYS()
 dnl This won't actually read the mozconfig, but data that configure.py
 dnl will have placed for us to read. Configure.py takes care of not reading
 dnl the mozconfig where appropriate but can still give us some variables