pcre2: add maintainer mode and disable by default

4 files changed, 86 insertions, 4 deletions

diff --git a/pcre2-10.21/Makefile.in b/pcre2-10.21/Makefile.in
index d86120b5..fd07c58c 100644
--- a/pcre2-10.21/Makefile.in
+++ b/pcre2-10.21/Makefile.in
@@ -714,6 +714,7 @@ LIPO = @LIPO@
 LN_S = @LN_S@
 LTLIBOBJS = @LTLIBOBJS@
 LT_SYS_LIBRARY_PATH = @LT_SYS_LIBRARY_PATH@
+MAINT = @MAINT@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
@@ -1215,7 +1216,7 @@ all: $(BUILT_SOURCES)
 .SUFFIXES: .c .lo .log .o .obj .test .test$(EXEEXT) .trs
 am--refresh: Makefile
 	@:
-$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
 	@for dep in $?; do \
 	  case '$(am__configure_deps)' in \
 	    *$$dep*) \
@@ -1241,9 +1242,9 @@ Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
 $(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
 	$(SHELL) ./config.status --recheck
 
-$(top_srcdir)/configure:  $(am__configure_deps)
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
 	$(am__cd) $(srcdir) && $(AUTOCONF)
-$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
 	$(am__cd) $(srcdir) && $(ACLOCAL) $(ACLOCAL_AMFLAGS)
 $(am__aclocal_m4_deps):
 
@@ -1254,7 +1255,7 @@ src/config.h: src/stamp-h1
 src/stamp-h1: $(top_srcdir)/src/config.h.in $(top_builddir)/config.status
 	@rm -f src/stamp-h1
 	cd $(top_builddir) && $(SHELL) ./config.status src/config.h
-$(top_srcdir)/src/config.h.in:  $(am__configure_deps) 
+$(top_srcdir)/src/config.h.in: @MAINTAINER_MODE_TRUE@ $(am__configure_deps) 
 	($(am__cd) $(top_srcdir) && $(AUTOHEADER))
 	rm -f src/stamp-h1
 	touch $@
diff --git a/pcre2-10.21/aclocal.m4 b/pcre2-10.21/aclocal.m4
index 10c9cd1c..795657e8 100644
--- a/pcre2-10.21/aclocal.m4
+++ b/pcre2-10.21/aclocal.m4
@@ -981,6 +981,42 @@ fi
 rmdir .tst 2>/dev/null
 AC_SUBST([am__leading_dot])])
 
+# Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
+# From Jim Meyering
+
+# Copyright (C) 1996-2014 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_MAINTAINER_MODE([DEFAULT-MODE])
+# ----------------------------------
+# Control maintainer-specific portions of Makefiles.
+# Default is to disable them, unless 'enable' is passed literally.
+# For symmetry, 'disable' may be passed as well.  Anyway, the user
+# can override the default with the --enable/--disable switch.
+AC_DEFUN([AM_MAINTAINER_MODE],
+[m4_case(m4_default([$1], [disable]),
+       [enable], [m4_define([am_maintainer_other], [disable])],
+       [disable], [m4_define([am_maintainer_other], [enable])],
+       [m4_define([am_maintainer_other], [enable])
+        m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
+AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
+  dnl maintainer-mode's default is 'disable' unless 'enable' is passed
+  AC_ARG_ENABLE([maintainer-mode],
+    [AS_HELP_STRING([--]am_maintainer_other[-maintainer-mode],
+      am_maintainer_other[ make rules and dependencies not useful
+      (and sometimes confusing) to the casual installer])],
+    [USE_MAINTAINER_MODE=$enableval],
+    [USE_MAINTAINER_MODE=]m4_if(am_maintainer_other, [enable], [no], [yes]))
+  AC_MSG_RESULT([$USE_MAINTAINER_MODE])
+  AM_CONDITIONAL([MAINTAINER_MODE], [test $USE_MAINTAINER_MODE = yes])
+  MAINT=$MAINTAINER_MODE_TRUE
+  AC_SUBST([MAINT])dnl
+]
+)
+
 # Check to see how 'make' treats includes.	            -*- Autoconf -*-
 
 # Copyright (C) 2001-2014 Free Software Foundation, Inc.
diff --git a/pcre2-10.21/configure b/pcre2-10.21/configure
index e9f9e374..ad269654 100755
--- a/pcre2-10.21/configure
+++ b/pcre2-10.21/configure
@@ -734,6 +734,9 @@ CFLAGS
 CC
 ac_ct_AR
 AR
+MAINT
+MAINTAINER_MODE_FALSE
+MAINTAINER_MODE_TRUE
 AM_BACKSLASH
 AM_DEFAULT_VERBOSITY
 AM_DEFAULT_V
@@ -803,6 +806,7 @@ ac_subst_files=''
 ac_user_opts='
 enable_option_checking
 enable_silent_rules
+enable_maintainer_mode
 enable_dependency_tracking
 enable_shared
 enable_static
@@ -1482,6 +1486,9 @@ Optional Features:
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
   --enable-silent-rules   less verbose build output (undo: "make V=1")
   --disable-silent-rules  verbose build output (undo: "make V=0")
+  --enable-maintainer-mode
+                          enable make rules and dependencies not useful (and
+                          sometimes confusing) to the casual installer
   --enable-dependency-tracking
                           do not reject slow dependency extractors
   --disable-dependency-tracking
@@ -3132,6 +3139,34 @@ AM_BACKSLASH='\'
 ac_config_headers="$ac_config_headers src/config.h"
 
 
+# FISH PATCH
+# Enable maintainer mode to avoid spurious rebuilds due to timestamps in git
+# not being stored. Discussion in https://github.com/fish-shell/fish-shell/issues/2469
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable maintainer-specific portions of Makefiles" >&5
+$as_echo_n "checking whether to enable maintainer-specific portions of Makefiles... " >&6; }
+    # Check whether --enable-maintainer-mode was given.
+if test "${enable_maintainer_mode+set}" = set; then :
+  enableval=$enable_maintainer_mode; USE_MAINTAINER_MODE=$enableval
+else
+  USE_MAINTAINER_MODE=no
+fi
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $USE_MAINTAINER_MODE" >&5
+$as_echo "$USE_MAINTAINER_MODE" >&6; }
+   if test $USE_MAINTAINER_MODE = yes; then
+  MAINTAINER_MODE_TRUE=
+  MAINTAINER_MODE_FALSE='#'
+else
+  MAINTAINER_MODE_TRUE='#'
+  MAINTAINER_MODE_FALSE=
+fi
+
+  MAINT=$MAINTAINER_MODE_TRUE
+
+
+# END FISH PATCH
+
 # This is a new thing required to stop a warning from automake 1.12
 DEPDIR="${am__leading_dot}deps"
 
@@ -15990,6 +16025,10 @@ else
   am__EXEEXT_FALSE=
 fi
 
+if test -z "${MAINTAINER_MODE_TRUE}" && test -z "${MAINTAINER_MODE_FALSE}"; then
+  as_fn_error $? "conditional \"MAINTAINER_MODE\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then
   as_fn_error $? "conditional \"AMDEP\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
diff --git a/pcre2-10.21/configure.ac b/pcre2-10.21/configure.ac
index 99ad8a9f..32307644 100644
--- a/pcre2-10.21/configure.ac
+++ b/pcre2-10.21/configure.ac
@@ -29,6 +29,12 @@ AM_INIT_AUTOMAKE([dist-bzip2 dist-zip])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 AC_CONFIG_HEADERS(src/config.h)
 
+# FISH PATCH
+# Enable maintainer mode to avoid spurious rebuilds due to timestamps in git
+# not being stored. Discussion in https://github.com/fish-shell/fish-shell/issues/2469
+AM_MAINTAINER_MODE
+# END FISH PATCH
+
 # This is a new thing required to stop a warning from automake 1.12
 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])