From: Bruno Haible <bruno@clisp.org>
Date: Wed, 24 Oct 2018 16:45:36 +0000 (+0200)
Subject: po, examples: Use case-insensitive search for "GNU <PACKAGE_NAME>".
X-Git-Tag: v0.20~287
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=85e1f95f09c293c36a698cb611a252478a6a7e72;p=thirdparty%2Fgettext.git

po, examples: Use case-insensitive search for "GNU <PACKAGE_NAME>".

Reported by Akim Demaille <akim@lrde.epita.fr> in
<https://lists.gnu.org/archive/html/bug-gettext/2018-10/msg00020.html>.

* gettext-runtime/po/Makefile.in.in ($(DOMAIN).pot-update): Use a
case-insensitive search for "GNU <PACKAGE_NAME>".
* gettext-tools/examples/hello-*/po/Makefile.am ($(DOMAIN).pot-update):
Likewise.
* gettext-tools/examples/hello-objc-gnustep/po/GNUmakefile
($(DOMAIN).pot-update): Likewise.
---

diff --git a/gettext-runtime/po/Makefile.in.in b/gettext-runtime/po/Makefile.in.in
index 371ee3944..70309a9f2 100644
--- a/gettext-runtime/po/Makefile.in.in
+++ b/gettext-runtime/po/Makefile.in.in
@@ -152,9 +152,9 @@ $(DOMAIN).pot-update: $(POTFILES) $(srcdir)/POTFILES.in remove-potcdate.sed
 	package_gnu="$(PACKAGE_GNU)"; \
 	test -n "$$package_gnu" || { \
 	  if { if (LC_ALL=C find --version) 2>/dev/null | grep GNU >/dev/null; then \
-	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep 'GNU @PACKAGE@' /dev/null '{}' ';' 2>/dev/null; \
+	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep -i 'GNU @PACKAGE@' /dev/null '{}' ';' 2>/dev/null; \
 	       else \
-	         LC_ALL=C grep 'GNU @PACKAGE@' $(top_srcdir)/* 2>/dev/null; \
+	         LC_ALL=C grep -i 'GNU @PACKAGE@' $(top_srcdir)/* 2>/dev/null; \
 	       fi; \
 	     } | grep -v 'libtool:' >/dev/null; then \
 	     package_gnu=yes; \
diff --git a/gettext-tools/examples/hello-c++-qt/po/Makefile.am b/gettext-tools/examples/hello-c++-qt/po/Makefile.am
index 8e5327bc0..038f114c1 100644
--- a/gettext-tools/examples/hello-c++-qt/po/Makefile.am
+++ b/gettext-tools/examples/hello-c++-qt/po/Makefile.am
@@ -141,9 +141,9 @@ $(DOMAIN).pot-update: $(POTFILES_DEPS) remove-potcdate.sed
 	package_gnu="$(PACKAGE_GNU)"; \
 	test -n "$$package_gnu" || { \
 	  if { if (LC_ALL=C find --version) 2>/dev/null | grep GNU >/dev/null; then \
-	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
+	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep -i 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
 	       else \
-	         LC_ALL=C grep 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
+	         LC_ALL=C grep -i 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
 	       fi; \
 	     } | grep -v 'libtool:' >/dev/null; then \
 	     package_gnu=yes; \
diff --git a/gettext-tools/examples/hello-c++-wxwidgets/po/Makefile.am b/gettext-tools/examples/hello-c++-wxwidgets/po/Makefile.am
index a81633cdf..8c4a5cc65 100644
--- a/gettext-tools/examples/hello-c++-wxwidgets/po/Makefile.am
+++ b/gettext-tools/examples/hello-c++-wxwidgets/po/Makefile.am
@@ -144,9 +144,9 @@ $(DOMAIN).pot-update: $(POTFILES_DEPS) remove-potcdate.sed
 	package_gnu="$(PACKAGE_GNU)"; \
 	test -n "$$package_gnu" || { \
 	  if { if (LC_ALL=C find --version) 2>/dev/null | grep GNU >/dev/null; then \
-	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
+	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep -i 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
 	       else \
-	         LC_ALL=C grep 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
+	         LC_ALL=C grep -i 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
 	       fi; \
 	     } | grep -v 'libtool:' >/dev/null; then \
 	     package_gnu=yes; \
diff --git a/gettext-tools/examples/hello-clisp/po/Makefile.am b/gettext-tools/examples/hello-clisp/po/Makefile.am
index 8e1b7113d..f17f14297 100644
--- a/gettext-tools/examples/hello-clisp/po/Makefile.am
+++ b/gettext-tools/examples/hello-clisp/po/Makefile.am
@@ -138,9 +138,9 @@ $(DOMAIN).pot-update: $(POTFILES_DEPS) remove-potcdate.sed
 	package_gnu="$(PACKAGE_GNU)"; \
 	test -n "$$package_gnu" || { \
 	  if { if (LC_ALL=C find --version) 2>/dev/null | grep GNU >/dev/null; then \
-	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
+	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep -i 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
 	       else \
-	         LC_ALL=C grep 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
+	         LC_ALL=C grep -i 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
 	       fi; \
 	     } | grep -v 'libtool:' >/dev/null; then \
 	     package_gnu=yes; \
diff --git a/gettext-tools/examples/hello-csharp-forms/po/Makefile.am b/gettext-tools/examples/hello-csharp-forms/po/Makefile.am
index 66251a128..89a064b5e 100644
--- a/gettext-tools/examples/hello-csharp-forms/po/Makefile.am
+++ b/gettext-tools/examples/hello-csharp-forms/po/Makefile.am
@@ -130,9 +130,9 @@ $(DOMAIN).pot-update: $(POTFILES_DEPS) remove-potcdate.sed
 	package_gnu="$(PACKAGE_GNU)"; \
 	test -n "$$package_gnu" || { \
 	  if { if (LC_ALL=C find --version) 2>/dev/null | grep GNU >/dev/null; then \
-	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
+	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep -i 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
 	       else \
-	         LC_ALL=C grep 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
+	         LC_ALL=C grep -i 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
 	       fi; \
 	     } | grep -v 'libtool:' >/dev/null; then \
 	     package_gnu=yes; \
diff --git a/gettext-tools/examples/hello-csharp/po/Makefile.am b/gettext-tools/examples/hello-csharp/po/Makefile.am
index 66251a128..89a064b5e 100644
--- a/gettext-tools/examples/hello-csharp/po/Makefile.am
+++ b/gettext-tools/examples/hello-csharp/po/Makefile.am
@@ -130,9 +130,9 @@ $(DOMAIN).pot-update: $(POTFILES_DEPS) remove-potcdate.sed
 	package_gnu="$(PACKAGE_GNU)"; \
 	test -n "$$package_gnu" || { \
 	  if { if (LC_ALL=C find --version) 2>/dev/null | grep GNU >/dev/null; then \
-	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
+	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep -i 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
 	       else \
-	         LC_ALL=C grep 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
+	         LC_ALL=C grep -i 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
 	       fi; \
 	     } | grep -v 'libtool:' >/dev/null; then \
 	     package_gnu=yes; \
diff --git a/gettext-tools/examples/hello-gawk/po/Makefile.am b/gettext-tools/examples/hello-gawk/po/Makefile.am
index 6ebcb8262..fc0a39678 100644
--- a/gettext-tools/examples/hello-gawk/po/Makefile.am
+++ b/gettext-tools/examples/hello-gawk/po/Makefile.am
@@ -138,9 +138,9 @@ $(DOMAIN).pot-update: $(POTFILES_DEPS) remove-potcdate.sed
 	package_gnu="$(PACKAGE_GNU)"; \
 	test -n "$$package_gnu" || { \
 	  if { if (LC_ALL=C find --version) 2>/dev/null | grep GNU >/dev/null; then \
-	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
+	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep -i 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
 	       else \
-	         LC_ALL=C grep 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
+	         LC_ALL=C grep -i 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
 	       fi; \
 	     } | grep -v 'libtool:' >/dev/null; then \
 	     package_gnu=yes; \
diff --git a/gettext-tools/examples/hello-guile/po/Makefile.am b/gettext-tools/examples/hello-guile/po/Makefile.am
index 642185ddf..1ddd76239 100644
--- a/gettext-tools/examples/hello-guile/po/Makefile.am
+++ b/gettext-tools/examples/hello-guile/po/Makefile.am
@@ -138,9 +138,9 @@ $(DOMAIN).pot-update: $(POTFILES_DEPS) remove-potcdate.sed
 	package_gnu="$(PACKAGE_GNU)"; \
 	test -n "$$package_gnu" || { \
 	  if { if (LC_ALL=C find --version) 2>/dev/null | grep GNU >/dev/null; then \
-	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
+	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep -i 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
 	       else \
-	         LC_ALL=C grep 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
+	         LC_ALL=C grep -i 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
 	       fi; \
 	     } | grep -v 'libtool:' >/dev/null; then \
 	     package_gnu=yes; \
diff --git a/gettext-tools/examples/hello-java-awt/po/Makefile.am b/gettext-tools/examples/hello-java-awt/po/Makefile.am
index b4e30b2da..080b897ff 100644
--- a/gettext-tools/examples/hello-java-awt/po/Makefile.am
+++ b/gettext-tools/examples/hello-java-awt/po/Makefile.am
@@ -128,9 +128,9 @@ $(DOMAIN).pot-update: $(POTFILES_DEPS) remove-potcdate.sed
 	package_gnu="$(PACKAGE_GNU)"; \
 	test -n "$$package_gnu" || { \
 	  if { if (LC_ALL=C find --version) 2>/dev/null | grep GNU >/dev/null; then \
-	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
+	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep -i 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
 	       else \
-	         LC_ALL=C grep 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
+	         LC_ALL=C grep -i 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
 	       fi; \
 	     } | grep -v 'libtool:' >/dev/null; then \
 	     package_gnu=yes; \
diff --git a/gettext-tools/examples/hello-java-qtjambi/po/Makefile.am b/gettext-tools/examples/hello-java-qtjambi/po/Makefile.am
index b4e30b2da..080b897ff 100644
--- a/gettext-tools/examples/hello-java-qtjambi/po/Makefile.am
+++ b/gettext-tools/examples/hello-java-qtjambi/po/Makefile.am
@@ -128,9 +128,9 @@ $(DOMAIN).pot-update: $(POTFILES_DEPS) remove-potcdate.sed
 	package_gnu="$(PACKAGE_GNU)"; \
 	test -n "$$package_gnu" || { \
 	  if { if (LC_ALL=C find --version) 2>/dev/null | grep GNU >/dev/null; then \
-	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
+	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep -i 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
 	       else \
-	         LC_ALL=C grep 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
+	         LC_ALL=C grep -i 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
 	       fi; \
 	     } | grep -v 'libtool:' >/dev/null; then \
 	     package_gnu=yes; \
diff --git a/gettext-tools/examples/hello-java-swing/po/Makefile.am b/gettext-tools/examples/hello-java-swing/po/Makefile.am
index b4e30b2da..080b897ff 100644
--- a/gettext-tools/examples/hello-java-swing/po/Makefile.am
+++ b/gettext-tools/examples/hello-java-swing/po/Makefile.am
@@ -128,9 +128,9 @@ $(DOMAIN).pot-update: $(POTFILES_DEPS) remove-potcdate.sed
 	package_gnu="$(PACKAGE_GNU)"; \
 	test -n "$$package_gnu" || { \
 	  if { if (LC_ALL=C find --version) 2>/dev/null | grep GNU >/dev/null; then \
-	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
+	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep -i 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
 	       else \
-	         LC_ALL=C grep 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
+	         LC_ALL=C grep -i 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
 	       fi; \
 	     } | grep -v 'libtool:' >/dev/null; then \
 	     package_gnu=yes; \
diff --git a/gettext-tools/examples/hello-java/po/Makefile.am b/gettext-tools/examples/hello-java/po/Makefile.am
index b4e30b2da..080b897ff 100644
--- a/gettext-tools/examples/hello-java/po/Makefile.am
+++ b/gettext-tools/examples/hello-java/po/Makefile.am
@@ -128,9 +128,9 @@ $(DOMAIN).pot-update: $(POTFILES_DEPS) remove-potcdate.sed
 	package_gnu="$(PACKAGE_GNU)"; \
 	test -n "$$package_gnu" || { \
 	  if { if (LC_ALL=C find --version) 2>/dev/null | grep GNU >/dev/null; then \
-	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
+	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep -i 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
 	       else \
-	         LC_ALL=C grep 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
+	         LC_ALL=C grep -i 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
 	       fi; \
 	     } | grep -v 'libtool:' >/dev/null; then \
 	     package_gnu=yes; \
diff --git a/gettext-tools/examples/hello-librep/po/Makefile.am b/gettext-tools/examples/hello-librep/po/Makefile.am
index f0f4cf346..1f4fd862e 100644
--- a/gettext-tools/examples/hello-librep/po/Makefile.am
+++ b/gettext-tools/examples/hello-librep/po/Makefile.am
@@ -138,9 +138,9 @@ $(DOMAIN).pot-update: $(POTFILES_DEPS) remove-potcdate.sed
 	package_gnu="$(PACKAGE_GNU)"; \
 	test -n "$$package_gnu" || { \
 	  if { if (LC_ALL=C find --version) 2>/dev/null | grep GNU >/dev/null; then \
-	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
+	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep -i 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
 	       else \
-	         LC_ALL=C grep 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
+	         LC_ALL=C grep -i 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
 	       fi; \
 	     } | grep -v 'libtool:' >/dev/null; then \
 	     package_gnu=yes; \
diff --git a/gettext-tools/examples/hello-objc-gnustep/po/GNUmakefile b/gettext-tools/examples/hello-objc-gnustep/po/GNUmakefile
index cb8ad5576..ef6ae9e33 100644
--- a/gettext-tools/examples/hello-objc-gnustep/po/GNUmakefile
+++ b/gettext-tools/examples/hello-objc-gnustep/po/GNUmakefile
@@ -116,9 +116,9 @@ $(DOMAIN).pot-update: $(POTFILES_DEPS) remove-potcdate.sed
 	package_gnu="$(PACKAGE_GNU)"; \
 	test -n "$$package_gnu" || { \
 	  if { if (LC_ALL=C find --version) 2>/dev/null | grep GNU >/dev/null; then \
-	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep 'GNU $(PACKAGE_NAME)' /dev/null '{}' ';' 2>/dev/null; \
+	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep -i 'GNU $(PACKAGE_NAME)' /dev/null '{}' ';' 2>/dev/null; \
 	       else \
-	         LC_ALL=C grep 'GNU $(PACKAGE_NAME)' $(top_srcdir)/* 2>/dev/null; \
+	         LC_ALL=C grep -i 'GNU $(PACKAGE_NAME)' $(top_srcdir)/* 2>/dev/null; \
 	       fi; \
 	     } | grep -v 'libtool:' >/dev/null; then \
 	     package_gnu=yes; \
diff --git a/gettext-tools/examples/hello-pascal/po/Makefile.am b/gettext-tools/examples/hello-pascal/po/Makefile.am
index 9d5c70569..0d8bd466c 100644
--- a/gettext-tools/examples/hello-pascal/po/Makefile.am
+++ b/gettext-tools/examples/hello-pascal/po/Makefile.am
@@ -138,9 +138,9 @@ $(DOMAIN).pot-update: $(POTFILES_DEPS) remove-potcdate.sed
 	package_gnu="$(PACKAGE_GNU)"; \
 	test -n "$$package_gnu" || { \
 	  if { if (LC_ALL=C find --version) 2>/dev/null | grep GNU >/dev/null; then \
-	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
+	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep -i 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
 	       else \
-	         LC_ALL=C grep 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
+	         LC_ALL=C grep -i 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
 	       fi; \
 	     } | grep -v 'libtool:' >/dev/null; then \
 	     package_gnu=yes; \
diff --git a/gettext-tools/examples/hello-perl/po/Makefile.am b/gettext-tools/examples/hello-perl/po/Makefile.am
index 3f8324fea..9c1948d25 100644
--- a/gettext-tools/examples/hello-perl/po/Makefile.am
+++ b/gettext-tools/examples/hello-perl/po/Makefile.am
@@ -148,9 +148,9 @@ $(DOMAIN).pot-update: $(POTFILES_DEPS) remove-potcdate.sed
 	package_gnu="$(PACKAGE_GNU)"; \
 	test -n "$$package_gnu" || { \
 	  if { if (LC_ALL=C find --version) 2>/dev/null | grep GNU >/dev/null; then \
-	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
+	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep -i 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
 	       else \
-	         LC_ALL=C grep 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
+	         LC_ALL=C grep -i 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
 	       fi; \
 	     } | grep -v 'libtool:' >/dev/null; then \
 	     package_gnu=yes; \
diff --git a/gettext-tools/examples/hello-php/po/Makefile.am b/gettext-tools/examples/hello-php/po/Makefile.am
index d4a059c12..4c5baa62d 100644
--- a/gettext-tools/examples/hello-php/po/Makefile.am
+++ b/gettext-tools/examples/hello-php/po/Makefile.am
@@ -138,9 +138,9 @@ $(DOMAIN).pot-update: $(POTFILES_DEPS) remove-potcdate.sed
 	package_gnu="$(PACKAGE_GNU)"; \
 	test -n "$$package_gnu" || { \
 	  if { if (LC_ALL=C find --version) 2>/dev/null | grep GNU >/dev/null; then \
-	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
+	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep -i 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
 	       else \
-	         LC_ALL=C grep 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
+	         LC_ALL=C grep -i 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
 	       fi; \
 	     } | grep -v 'libtool:' >/dev/null; then \
 	     package_gnu=yes; \
diff --git a/gettext-tools/examples/hello-python/po/Makefile.am b/gettext-tools/examples/hello-python/po/Makefile.am
index d57984329..6a93f73c9 100644
--- a/gettext-tools/examples/hello-python/po/Makefile.am
+++ b/gettext-tools/examples/hello-python/po/Makefile.am
@@ -138,9 +138,9 @@ $(DOMAIN).pot-update: $(POTFILES_DEPS) remove-potcdate.sed
 	package_gnu="$(PACKAGE_GNU)"; \
 	test -n "$$package_gnu" || { \
 	  if { if (LC_ALL=C find --version) 2>/dev/null | grep GNU >/dev/null; then \
-	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
+	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep -i 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
 	       else \
-	         LC_ALL=C grep 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
+	         LC_ALL=C grep -i 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
 	       fi; \
 	     } | grep -v 'libtool:' >/dev/null; then \
 	     package_gnu=yes; \
diff --git a/gettext-tools/examples/hello-sh/po/Makefile.am b/gettext-tools/examples/hello-sh/po/Makefile.am
index 8d9a5ed19..d8e6c054b 100644
--- a/gettext-tools/examples/hello-sh/po/Makefile.am
+++ b/gettext-tools/examples/hello-sh/po/Makefile.am
@@ -138,9 +138,9 @@ $(DOMAIN).pot-update: $(POTFILES_DEPS) remove-potcdate.sed
 	package_gnu="$(PACKAGE_GNU)"; \
 	test -n "$$package_gnu" || { \
 	  if { if (LC_ALL=C find --version) 2>/dev/null | grep GNU >/dev/null; then \
-	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
+	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep -i 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
 	       else \
-	         LC_ALL=C grep 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
+	         LC_ALL=C grep -i 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
 	       fi; \
 	     } | grep -v 'libtool:' >/dev/null; then \
 	     package_gnu=yes; \
diff --git a/gettext-tools/examples/hello-smalltalk/po/Makefile.am b/gettext-tools/examples/hello-smalltalk/po/Makefile.am
index 405e83d86..6fa217db3 100644
--- a/gettext-tools/examples/hello-smalltalk/po/Makefile.am
+++ b/gettext-tools/examples/hello-smalltalk/po/Makefile.am
@@ -138,9 +138,9 @@ $(DOMAIN).pot-update: $(POTFILES_DEPS) remove-potcdate.sed
 	package_gnu="$(PACKAGE_GNU)"; \
 	test -n "$$package_gnu" || { \
 	  if { if (LC_ALL=C find --version) 2>/dev/null | grep GNU >/dev/null; then \
-	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
+	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep -i 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
 	       else \
-	         LC_ALL=C grep 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
+	         LC_ALL=C grep -i 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
 	       fi; \
 	     } | grep -v 'libtool:' >/dev/null; then \
 	     package_gnu=yes; \
diff --git a/gettext-tools/examples/hello-tcl-tk/po/Makefile.am b/gettext-tools/examples/hello-tcl-tk/po/Makefile.am
index f6cf93947..872fb8791 100644
--- a/gettext-tools/examples/hello-tcl-tk/po/Makefile.am
+++ b/gettext-tools/examples/hello-tcl-tk/po/Makefile.am
@@ -128,9 +128,9 @@ $(DOMAIN).pot-update: $(POTFILES_DEPS) remove-potcdate.sed
 	package_gnu="$(PACKAGE_GNU)"; \
 	test -n "$$package_gnu" || { \
 	  if { if (LC_ALL=C find --version) 2>/dev/null | grep GNU >/dev/null; then \
-	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
+	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep -i 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
 	       else \
-	         LC_ALL=C grep 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
+	         LC_ALL=C grep -i 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
 	       fi; \
 	     } | grep -v 'libtool:' >/dev/null; then \
 	     package_gnu=yes; \
diff --git a/gettext-tools/examples/hello-tcl/po/Makefile.am b/gettext-tools/examples/hello-tcl/po/Makefile.am
index f6cf93947..872fb8791 100644
--- a/gettext-tools/examples/hello-tcl/po/Makefile.am
+++ b/gettext-tools/examples/hello-tcl/po/Makefile.am
@@ -128,9 +128,9 @@ $(DOMAIN).pot-update: $(POTFILES_DEPS) remove-potcdate.sed
 	package_gnu="$(PACKAGE_GNU)"; \
 	test -n "$$package_gnu" || { \
 	  if { if (LC_ALL=C find --version) 2>/dev/null | grep GNU >/dev/null; then \
-	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
+	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep -i 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
 	       else \
-	         LC_ALL=C grep 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
+	         LC_ALL=C grep -i 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
 	       fi; \
 	     } | grep -v 'libtool:' >/dev/null; then \
 	     package_gnu=yes; \
diff --git a/gettext-tools/examples/hello-ycp/po/Makefile.am b/gettext-tools/examples/hello-ycp/po/Makefile.am
index d6a2444cd..5bc3a70ee 100644
--- a/gettext-tools/examples/hello-ycp/po/Makefile.am
+++ b/gettext-tools/examples/hello-ycp/po/Makefile.am
@@ -138,9 +138,9 @@ $(DOMAIN).pot-update: $(POTFILES_DEPS) remove-potcdate.sed
 	package_gnu="$(PACKAGE_GNU)"; \
 	test -n "$$package_gnu" || { \
 	  if { if (LC_ALL=C find --version) 2>/dev/null | grep GNU >/dev/null; then \
-	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
+	         LC_ALL=C find -L $(top_srcdir) -maxdepth 1 -type f -size -10000000c -exec grep -i 'GNU $(PACKAGE)' /dev/null '{}' ';' 2>/dev/null; \
 	       else \
-	         LC_ALL=C grep 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
+	         LC_ALL=C grep -i 'GNU $(PACKAGE)' $(top_srcdir)/* 2>/dev/null; \
 	       fi; \
 	     } | grep -v 'libtool:' >/dev/null; then \
 	     package_gnu=yes; \