[PATCH RESEND libgpiod v2 03/18] bindings: glib: add build files

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From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>

Add the directory structure and build files as well as changes to
.gitignore and Doxygen.in for GLib bindings.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
---
 .gitignore                           |  2 +
 Doxyfile.in                          |  4 +-
 bindings/Makefile.am                 |  7 ++++
 bindings/glib/Makefile.am            | 78 ++++++++++++++++++++++++++++++++++++
 bindings/glib/examples/.gitignore    | 14 +++++++
 bindings/glib/examples/Makefile.am   | 22 ++++++++++
 bindings/glib/gpiod-glib.pc.in       | 14 +++++++
 bindings/glib/gpiod-glib/Makefile.am | 18 +++++++++
 bindings/glib/tests/.gitignore       |  4 ++
 bindings/glib/tests/Makefile.am      | 29 ++++++++++++++
 configure.ac                         | 24 +++++++++++
 11 files changed, 215 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index cf66e97..c3a29d8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,8 @@
 *.o
 *.lo
 *.la
+generated-*.c
+generated-*.h
 doc
 *.pc
 *.tar.gz
diff --git a/Doxyfile.in b/Doxyfile.in
index 9c85e21..548a0da 100644
--- a/Doxyfile.in
+++ b/Doxyfile.in
@@ -46,7 +46,9 @@ WARN_FORMAT            =
 WARN_LOGFILE           =
 INPUT                  = @top_srcdir@/include/gpiod.h \
                          @top_srcdir@/bindings/cxx/gpiod.hpp \
-                         @top_srcdir@/bindings/cxx/gpiodcxx/
+                         @top_srcdir@/bindings/cxx/gpiodcxx/ \
+                         @top_srcdir@/bindings/glib/gpiod-glib.h \
+                         @top_srcdir@/bindings/glib/gpiod-glib/
 SOURCE_BROWSER         = YES
 INLINE_SOURCES         = NO
 REFERENCED_BY_RELATION = YES
diff --git a/bindings/Makefile.am b/bindings/Makefile.am
index 004ae23..a177187 100644
--- a/bindings/Makefile.am
+++ b/bindings/Makefile.am
@@ -1,5 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 # SPDX-FileCopyrightText: 2017-2021 Bartosz Golaszewski <bartekgola@xxxxxxxxx>
+# SPDX-FileCopyrightText: 2022 Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
 
 SUBDIRS = .
 
@@ -20,3 +21,9 @@ if WITH_BINDINGS_RUST
 SUBDIRS += rust
 
 endif
+
+if WITH_BINDINGS_GLIB
+
+SUBDIRS += glib
+
+endif
diff --git a/bindings/glib/Makefile.am b/bindings/glib/Makefile.am
new file mode 100644
index 0000000..750a913
--- /dev/null
+++ b/bindings/glib/Makefile.am
@@ -0,0 +1,78 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+# SPDX-FileCopyrightText: 2022-2023 Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
+
+SUBDIRS = . gpiod-glib
+
+if WITH_TESTS
+
+SUBDIRS += tests
+
+endif
+
+if WITH_EXAMPLES
+
+SUBDIRS += examples
+
+endif
+
+lib_LTLIBRARIES = libgpiod-glib.la
+
+libgpiod_glib_la_SOURCES = \
+	chip.c \
+	chip-info.c \
+	edge-event.c \
+	error.c \
+	info-event.c \
+	internal.c \
+	internal.h \
+	line-config.c \
+	line-info.c \
+	line-request.c \
+	line-settings.c \
+	misc.c \
+	request-config.c
+
+EXTRA_DIST = \
+	generated-enums.c.template \
+	generated-enums.h.template
+
+project_headers = \
+	$(srcdir)/gpiod-glib/line.h \
+	$(srcdir)/gpiod-glib/edge-event.h \
+	$(srcdir)/gpiod-glib/info-event.h
+
+generated-enums.c: $(project_headers) generated-enums.c.template
+	$(AM_V_GEN)$(GLIB_MKENUMS) \
+		--symbol-prefix=G \
+		--template=$(srcdir)/generated-enums.c.template \
+		--output=$(builddir)/$@ \
+		$(project_headers)
+
+gpiod-glib/generated-enums.h: $(project_headers) generated-enums.h.template
+	$(AM_V_GEN)$(GLIB_MKENUMS) \
+		--symbol-prefix=G \
+		--template=$(srcdir)/generated-enums.h.template \
+		--output=$(srcdir)/$@ \
+		$(project_headers)
+
+nodist_libgpiod_glib_la_SOURCES = \
+	generated-enums.c \
+	gpiod-glib/generated-enums.h
+
+BUILT_SOURCES = $(nodist_libgpiod_glib_la_SOURCES)
+CLEANFILES = $(nodist_libgpiod_glib_la_SOURCES)
+
+libgpiod_glib_la_CFLAGS = -Wall -Wextra -g
+libgpiod_glib_la_CFLAGS += -I$(top_srcdir)/include/ -include $(top_builddir)/config.h
+libgpiod_glib_la_CFLAGS += $(GLIB_CFLAGS) $(GIO_CFLAGS) $(GIO_UNIX_CFLAGS)
+libgpiod_glib_la_CFLAGS += -DG_LOG_DOMAIN=\"gpiod-glib\"
+libgpiod_glib_la_CFLAGS += $(PROFILING_CFLAGS)
+libgpiod_glib_la_LDFLAGS = -version-info $(subst .,:,$(ABI_GLIB_VERSION))
+libgpiod_glib_la_LDFLAGS += -lgpiod -L$(top_builddir)/lib
+libgpiod_glib_la_LDFLAGS += $(GLIB_LIBS) $(GIO_LIBS) $(GIO_UNIX_LIBS)
+libgpiod_glib_la_LDFLAGS += $(PROFILING_LDFLAGS)
+
+include_HEADERS = gpiod-glib.h
+
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = gpiod-glib.pc
diff --git a/bindings/glib/examples/.gitignore b/bindings/glib/examples/.gitignore
new file mode 100644
index 0000000..c2415ae
--- /dev/null
+++ b/bindings/glib/examples/.gitignore
@@ -0,0 +1,14 @@
+# SPDX-License-Identifier: CC0-1.0
+# SPDX-FileCopyrightText: 2023 Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
+
+find_line_by_name_glib
+get_chip_info_glib
+get_line_info_glib
+get_line_value_glib
+get_multiple_line_values_glib
+reconfigure_input_to_output_glib
+toggle_line_value_glib
+toggle_multiple_line_values_glib
+watch_line_info_glib
+watch_line_value_glib
+watch_multiple_edge_rising_glib
diff --git a/bindings/glib/examples/Makefile.am b/bindings/glib/examples/Makefile.am
new file mode 100644
index 0000000..fb4e5b1
--- /dev/null
+++ b/bindings/glib/examples/Makefile.am
@@ -0,0 +1,22 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+# SPDX-FileCopyrightText: 2022-2023 Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
+
+bin_PROGRAMS = \
+	find_line_by_name_glib \
+	get_chip_info_glib \
+	get_line_info_glib \
+	get_line_value_glib \
+	get_multiple_line_values_glib \
+	reconfigure_input_to_output_glib \
+	toggle_line_value_glib \
+	toggle_multiple_line_values_glib \
+	watch_line_info_glib \
+	watch_line_value_glib \
+	watch_multiple_edge_rising_glib
+
+AM_CFLAGS = -I$(top_srcdir)/bindings/glib/
+AM_CFLAGS += -include $(top_builddir)/config.h
+AM_CFLAGS += -Wall -Wextra -g -std=gnu89 $(GLIB_CFLAGS) $(GOBJECT_CFLAGS)
+AM_CFLAGS += -DG_LOG_DOMAIN=\"gpiotools-glib\"
+LDADD = $(top_builddir)/bindings/glib/libgpiod-glib.la
+LDADD += $(GLIB_LIBS) $(GOBJECT_LIBS)
diff --git a/bindings/glib/gpiod-glib.pc.in b/bindings/glib/gpiod-glib.pc.in
new file mode 100644
index 0000000..5da56da
--- /dev/null
+++ b/bindings/glib/gpiod-glib.pc.in
@@ -0,0 +1,14 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+# SPDX-FileCopyrightText: 2022-2023 Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
+
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: gpiod-glib
+Description: GObject bindings for libgpiod
+URL: @PACKAGE_URL@
+Version: @PACKAGE_VERSION@
+Libs: -L${libdir} -lgpiod-glib
+Cflags: -I${includedir}
diff --git a/bindings/glib/gpiod-glib/Makefile.am b/bindings/glib/gpiod-glib/Makefile.am
new file mode 100644
index 0000000..3d47772
--- /dev/null
+++ b/bindings/glib/gpiod-glib/Makefile.am
@@ -0,0 +1,18 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+# SPDX-FileCopyrightText: 2022-2023 Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
+
+otherincludedir = $(includedir)/gpiod-glib
+otherinclude_HEADERS = \
+	chip.h \
+	chip-info.h \
+	edge-event.h \
+	error.h \
+	generated-enums.h \
+	info-event.h \
+	line.h \
+	line-config.h \
+	line-info.h \
+	line-request.h \
+	line-settings.h \
+	misc.h \
+	request-config.h
diff --git a/bindings/glib/tests/.gitignore b/bindings/glib/tests/.gitignore
new file mode 100644
index 0000000..8eb499f
--- /dev/null
+++ b/bindings/glib/tests/.gitignore
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: CC0-1.0
+# SPDX-FileCopyrightText: 2022 Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
+
+gpiod-glib-test
diff --git a/bindings/glib/tests/Makefile.am b/bindings/glib/tests/Makefile.am
new file mode 100644
index 0000000..a90587a
--- /dev/null
+++ b/bindings/glib/tests/Makefile.am
@@ -0,0 +1,29 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+# SPDX-FileCopyrightText: 2022-2023 Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
+
+noinst_PROGRAMS = gpiod-glib-test
+gpiod_glib_test_SOURCES = \
+	helpers.c \
+	helpers.h \
+	tests-chip.c \
+	tests-chip-info.c \
+	tests-edge-event.c \
+	tests-info-event.c \
+	tests-line-config.c \
+	tests-line-info.c \
+	tests-line-request.c \
+	tests-line-settings.c \
+	tests-misc.c \
+	tests-request-config.c
+
+AM_CFLAGS = -I$(top_srcdir)/bindings/glib/
+AM_CFLAGS += -I$(top_srcdir)/tests/gpiosim-glib/
+AM_CFLAGS += -I$(top_srcdir)/tests/harness/
+AM_CFLAGS += -include $(top_builddir)/config.h
+AM_CFLAGS += -Wall -Wextra -g -std=gnu89 $(GLIB_CFLAGS) $(GIO_CFLAGS)
+AM_CFLAGS += -DG_LOG_DOMAIN=\"gpiod-glib-test\"
+LDADD = $(top_builddir)/bindings/glib/libgpiod-glib.la
+LDADD += $(top_builddir)/tests/gpiosim/libgpiosim.la
+LDADD += $(top_builddir)/tests/gpiosim-glib/libgpiosim-glib.la
+LDADD += $(top_builddir)/tests/harness/libgpiod-test-harness.la
+LDADD += $(GLIB_LIBS) $(GIO_LIBS)
diff --git a/configure.ac b/configure.ac
index 93d9d75..74ba004 100644
--- a/configure.ac
+++ b/configure.ac
@@ -31,6 +31,8 @@ AC_SUBST(ABI_CXX_VERSION, [3.0.1])
 # ABI version for libgpiosim (we need this since it can be installed if we
 # enable tests).
 AC_SUBST(ABI_GPIOSIM_VERSION, [1.1.0])
+# ... and another one for GLib bindings:
+AC_SUBST(ABI_GLIB_VERSION, [1.0.0])
 
 AC_CONFIG_AUX_DIR([autostuff])
 AC_CONFIG_MACRO_DIRS([m4])
@@ -248,6 +250,23 @@ then
 	fi
 fi
 
+AC_ARG_ENABLE([bindings-glib],
+	[AS_HELP_STRING([--enable-bindings-glib],[enable GLib 2.0 bindings [default=no]])],
+	[if test "x$enableval" = xyes; then with_bindings_glib=true; fi],
+	[with_bindings_glib=false])
+AM_CONDITIONAL([WITH_BINDINGS_GLIB], [test "x$with_bindings_glib" = xtrue])
+
+if test "x$with_bindings_glib" = xtrue
+then
+	PKG_CHECK_MODULES([GLIB], [glib-2.0 >= 2.54])
+	PKG_CHECK_MODULES([GOBJECT], [gobject-2.0 >= 2.54])
+	PKG_CHECK_MODULES([GIO], [gio-2.0 >= 2.54])
+	PKG_CHECK_MODULES([GIO_UNIX], [gio-unix-2.0 >= 2.54])
+	PKG_PROG_PKG_CONFIG([0.28])
+	PKG_CHECK_VAR([GLIB_MKENUMS], [glib-2.0], [glib_mkenums], [],
+		AC_MSG_ERROR([glib-mkenums not found - needed to build GLib bindings]))
+fi
+
 AC_CHECK_PROG([has_doxygen], [doxygen], [true], [false])
 AM_CONDITIONAL([HAS_DOXYGEN], [test "x$has_doxygen" = xtrue])
 if test "x$has_doxygen" = xfalse
@@ -284,6 +303,11 @@ AC_CONFIG_FILES([Makefile
 		 bindings/cxx/gpiodcxx/Makefile
 		 bindings/cxx/examples/Makefile
 		 bindings/cxx/tests/Makefile
+		 bindings/glib/gpiod-glib.pc
+		 bindings/glib/Makefile
+		 bindings/glib/examples/Makefile
+		 bindings/glib/gpiod-glib/Makefile
+		 bindings/glib/tests/Makefile
 		 bindings/python/Makefile
 		 bindings/python/gpiod/Makefile
 		 bindings/python/gpiod/ext/Makefile

-- 
2.43.0





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