[libnma/lr/gcr-gtk4: 12/14] build: enable GCR support for libnma-gtk4

[Lubomir Rintel <lkundrak src gnome org>]

commit d4f0f31ff4bdc880f96f841768440174b79851bb
Author: Lubomir Rintel <lkundrak v3 sk>
Date:   Tue Mar 8 20:37:17 2022 +0100

    build: enable GCR support for libnma-gtk4

 Makefile.am  |  4 ++--
 configure.ac | 35 ++++++++++++++++++++++++++++++-----
 2 files changed, 32 insertions(+), 7 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index 1f755e9b..e71f1071 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -486,13 +486,13 @@ src_libnma_gtk4_la_CFLAGS = \
        -Isrc \
        $(GTK4_CFLAGS) \
        $(LIBNM_CFLAGS) \
-       $(GCR_GCR4_CFLAGS)
+       $(GCR_GTK4_CFLAGS)
 
 src_libnma_gtk4_la_LIBADD = \
        src/utils/libutils-libnm-gtk4.la \
        $(GTK4_LIBS) \
        $(LIBNM_LIBS) \
-       $(GCR_GCR4_LIBS)
+       $(GCR_GTK4_LIBS)
 
 EXTRA_src_libnma_gtk4_la_DEPENDENCIES = src/libnma.ver
 
diff --git a/configure.ac b/configure.ac
index 70293402..533dcd86 100644
--- a/configure.ac
+++ b/configure.ac
@@ -143,11 +143,6 @@ else
 fi
 AM_CONDITIONAL(WITH_LIBNMA_GTK4, test "$with_libnma_gtk4" != "no")
 
-# No such thing yet, just same lame duck placeholders.
-# it may actually end up being called differently.
-AC_DEFINE(WITH_GCR_GTK4, 0, [Define if GTK4 Gcr is available])
-AM_CONDITIONAL(WITH_GCR_GTK4, false)
-
 dnl GCR API is declared subject to change, do an extensive check of the prototypes
 AC_DEFUN([CHECK_GCR_API], [
         CFLAGS_SAVED="$CFLAGS"
@@ -228,6 +223,35 @@ else
 fi
 AM_CONDITIONAL(WITH_GCR, test "${have_gcr}" == "yes")
 
+dnl GCR for PKCS#11 enabled certificate chooser with Gtk4
+AC_ARG_WITH(gcr_gtk4, AS_HELP_STRING([--with-gcr-gtk4], [Enable EXPERIMENTAL advanced certificate chooser 
for Gtk4 (default: auto)]))
+if (test "$with_libnma_gtk4" = "yes"); then
+    if (test "${with_gcr_gtk4}" = "no"); then
+        have_gcr_gtk4=no
+    else
+        PKG_CHECK_MODULES(GCR_GTK4,
+                          [gcr-gtk4-3 >= 3.90, gck-1 >= 3.90],
+                          [GCR_GTK4_CFLAGS="$GCR_GTK4_CFLAGS -DGCR_API_SUBJECT_TO_CHANGE 
-DGCK_API_SUBJECT_TO_CHANGE"
+                           CHECK_GCR_API(GCR_GTK4, $GCR_GTK4_CFLAGS, have_gcr_gtk4=yes, have_gcr_gtk4=no)],
+                          [have_gcr_gtk4=no])
+    fi
+else
+    if (test "${with_gcr_gtk4}" = "yes"); then
+        AC_MSG_ERROR([gcr-gtk4 support was requested, but the libnma-gtk4 build was not enabled.])
+    fi
+    have_gcr_gtk4=no
+fi
+
+if (test "${have_gcr_gtk4}" = "yes"); then
+     AC_DEFINE(WITH_GCR_GTK4, 1, [Define if Gcr is available])
+else
+    if (test "${with_gcr_gtk4}" = "yes"); then
+        AC_MSG_ERROR([gcr support was requested, but the gcr library is not available.])
+    fi
+    AC_DEFINE(WITH_GCR_GTK4, 0, [Define if Gcr is available])
+fi
+AM_CONDITIONAL(WITH_GCR_GTK4, test "${have_gcr_gtk4}" = "yes")
+
 dnl Check for gobject introspection
 GOBJECT_INTROSPECTION_CHECK([0.9.6])
 
@@ -277,6 +301,7 @@ AC_OUTPUT
 echo ""
 echo "  Build EXPERIMENTAL libnma-gtk4 library for use with GTK4: --with-libnma-gtk4=${with_libnma_gtk4}"
 echo "  GCR: --with-gcr=$have_gcr"
+echo "  GCR_GTK4: --with-gcr-gtk4=$have_gcr_gtk4"
 echo "  LTO: --enable-lto=$enable_lto"
 echo "  Linker garbage collection: --enable-ld-gc=$enable_ld_gc"
 echo ""