From b04f2799cbf555982cf87fc6dda3fdf25713eafc Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Sat, 30 Jun 2018 09:02:10 +0000
Subject: build system: configure, Makefile.in: added initial pkgconfig
 support.

---
 Makefile.in  | 26 +++++++++++++++++++++++---
 config.usage |  9 +++++++++
 configure    | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 84 insertions(+), 3 deletions(-)

diff --git a/Makefile.in b/Makefile.in
index b825744..a58763d 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -6,6 +6,15 @@ GIT_REFERENCE_INDEX	= @git_reference_index@
 CUSTOM_INSTALL_HEADERS  = @custom_install_headers@
 AVOID_VERSION		= @avoid_version@
 
+PKGNAME			= @pkgname@
+PKGDESC			= @pkgdesc@
+PKGUSRC			= @pkgusrc@
+PKGREPO			= @pkgrepo@
+PKGPSRC			= @pkgpsrc@
+PKGDURL			= @pkgdurl@
+PKGDEFS			= @pkgdefs@
+PKGLIBS			= @pkglibs@
+
 BUILD 			= @build@
 HOST 			= @host@
 CCHOST 			= @cchost@
@@ -268,9 +277,9 @@ clean:		clean-implib
 		rm -f $(STATIC_APP)
 
 
-.display:	.display-project .display-env .display-tools .display-flags \
-		.display-pe .display-elf .display-dirs .display-build \
-		.display-config
+.display:	.display-project     .display-pkgconf     .display-env \
+		.display-tools .display-flags .display-pe .display-elf \
+		.display-dirs  .display-build .display-config
 
 .conf:		PAGER ?= less
 .conf:
@@ -284,6 +293,17 @@ clean:		clean-implib
 		@echo BUILD_DIR:'              '$(CURDIR)
 		@echo
 
+.display-pkgconf:
+		@echo PKGNAME:'                '$(PKGNAME)
+		@echo PKGDESC:'                '$(PKGDESC)
+		@echo PKGUSRC:'                '$(PKGUSRC)
+		@echo PKGREPO:'                '$(PKGREPO)
+		@echo PKGPSRC:'                '$(PKGPSRC)
+		@echo PKGDURL:'                '$(PKGDURL)
+		@echo PKGDEFS:'                '$(PKGDEFS)
+		@echo PKGLIBS:'                '$(PKGLIBS)
+		@echo
+
 .display-env:
 		@echo BUILD:'                  '$(BUILD)
 		@echo HOST:'                   '$(HOST)
diff --git a/config.usage b/config.usage
index b7c9fce..50f0a3f 100644
--- a/config.usage
+++ b/config.usage
@@ -9,6 +9,15 @@ supported switches:
 	--avoid-version
 	--source-dir
 
+	--pkgname
+	--pkgdesc
+	--pkgusrc
+	--pkgrepo
+	--pkgpsrc
+	--pkgdurl
+	--pkgdefs
+	--pkglibs
+
 	--prefix
 	--exec-prefix
 	--bindir
diff --git a/configure b/configure
index 472bf07..62955c4 100755
--- a/configure
+++ b/configure
@@ -165,6 +165,16 @@ common_defaults()
 	[ -z "$mb_source_dir" ] 	&& mb_source_dir=$mb_project_dir
 	[ -z "$mb_avoid_version" ] 	&& mb_avoid_version='no'
 
+	# pkgconfig
+	[ -z "$mb_pkgname" ]		&& mb_pkgname="$mb_default_pkgname"
+	[ -z "$mb_pkgdesc" ]		&& mb_pkgdesc="$mb_default_pkgdesc"
+	[ -z "$mb_pkgusrc" ]		&& mb_pkgusrc="$mb_default_pkgusrc"
+	[ -z "$mb_pkgrepo" ]		&& mb_pkgrepo="$mb_default_pkgrepo"
+	[ -z "$mb_pkgpsrc" ]		&& mb_pkgpsrc="$mb_default_pkgpsrc"
+	[ -z "$mb_pkgdurl" ]		&& mb_pkgdurl="$mb_default_pkgdurl"
+	[ -z "$mb_pkgdefs" ]		&& mb_pkgdefs="$mb_default_pkgdefs"
+	[ -z "$mb_pkglibs" ]		&& mb_pkglibs="$mb_default_pkglibs"
+
 	# dirs
 	[ -z "$mb_prefix" ] 		&& [ -z "$mb_prefix_set" ] \
 					&& mb_prefix='/usr/local'
@@ -440,6 +450,15 @@ config_copy()
 			-e 's^@custom_install_headers@^'"$mb_custom_install_headers"'^g' \
 			-e 's^@avoid_version@^'"$mb_avoid_version"'^g'			\
 											\
+			-e 's^@pkgname@^'"$mb_pkgname"'^g'				\
+			-e 's^@pkgdesc@^'"$mb_pkgdesc"'^g'				\
+			-e 's^@pkgusrc@^'"$mb_pkgusrc"'^g'				\
+			-e 's^@pkgrepo@^'"$mb_pkgrepo"'^g'				\
+			-e 's^@pkgpsrc@^'"$mb_pkgpsrc"'^g'				\
+			-e 's^@pkgdurl@^'"$mb_pkgdurl"'^g'				\
+			-e 's^@pkgdefs@^'"$mb_pkgdefs"'^g'				\
+			-e 's^@pkglibs@^'"$mb_pkglibs"'^g'				\
+											\
 			-e 's^@build@^'"$mb_build"'^g'					\
 			-e 's^@host@^'"$mb_host"'^g'					\
 			-e 's^@target@^'"$mb_target"'^g'				\
@@ -754,6 +773,39 @@ for arg ; do
 			mb_source_dir=${arg#*=}
 			;;
 
+		# pkgconfig
+		--pkgname=*)
+			mb_pkgname=${arg#*=}
+			;;
+
+		--pkgdesc=*)
+			mb_pkgdesc=${arg#*=}
+			;;
+
+		--pkgusrc=*)
+			mb_pkgusrc=${arg#*=}
+			;;
+
+		--pkgrepo=*)
+			mb_pkgrepo=${arg#*=}
+			;;
+
+		--pkgpsrc=*)
+			mb_pkgpsrc=${arg#*=}
+			;;
+
+		--pkgdurl=*)
+			mb_pkgdurl=${arg#*=}
+			;;
+
+		--pkgdefs=*)
+			mb_pkgdefs=${arg#*=}
+			;;
+
+		--pkglibs=*)
+			mb_pkglibs=${arg#*=}
+			;;
+
 		# compatibility
 		--enable-dependency-tracking)
 			;;
-- 
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