[gtk-doc] make: fix the return code checks

[Stefan Kost <stefkost src gnome org>]

commit 2904c2f7c0e5a4247e67e1825f5c9da23da069bf
Author: Stefan Sauer <ensonic users sf net>
Date:   Wed Apr 29 14:26:44 2015 +0200

    make: fix the return code checks
    
    This was testing make-variables and not the shell return codes.

 gtk-doc.make        |    8 ++++----
 gtk-doc.notmpl.make |    8 ++++----
 2 files changed, 8 insertions(+), 8 deletions(-)
---
diff --git a/gtk-doc.make b/gtk-doc.make
index 8fbe95b..823abb0 100644
--- a/gtk-doc.make
+++ b/gtk-doc.make
@@ -121,7 +121,7 @@ scan-build.stamp: setup-build.stamp $(HFILE_GLOB) $(CFILE_GLOB)
        $(GTK_DOC_V_INTROSPECT)if grep -l '^..*$$' $(DOC_MODULE).types > /dev/null 2>&1 ; then \
            scanobj_options=""; \
            gtkdoc-scangobj 2>&1 --help | grep  >/dev/null "\-\-verbose"; \
-           if test "$(?)" = "0"; then \
+           if test "$$?" = "0"; then \
                if test "x$(V)" = "x1"; then \
                    scanobj_options="--verbose"; \
                fi; \
@@ -190,13 +190,13 @@ html-build.stamp: sgml.stamp $(DOC_MAIN_SGML_FILE) $(content_files) $(expand_con
        $(GTK_DOC_V_HTML)rm -rf html && mkdir html && \
        mkhtml_options=""; \
        gtkdoc-mkhtml 2>&1 --help | grep  >/dev/null "\-\-verbose"; \
-       if test "$(?)" = "0"; then \
+       if test "$$?" = "0"; then \
          if test "x$(V)" = "x1"; then \
            mkhtml_options="$$mkhtml_options --verbose"; \
          fi; \
        fi; \
        gtkdoc-mkhtml 2>&1 --help | grep  >/dev/null "\-\-path"; \
-       if test "$(?)" = "0"; then \
+       if test "$$?" = "0"; then \
          mkhtml_options="$$mkhtml_options --path=\"$(abs_srcdir)\""; \
        fi; \
        cd html && gtkdoc-mkhtml $$mkhtml_options $(MKHTML_OPTIONS) $(DOC_MODULE) ../$(DOC_MAIN_SGML_FILE)
@@ -222,7 +222,7 @@ pdf-build.stamp: sgml.stamp $(DOC_MAIN_SGML_FILE) $(content_files) $(expand_cont
        $(GTK_DOC_V_PDF)rm -f $(DOC_MODULE).pdf && \
        mkpdf_options=""; \
        gtkdoc-mkpdf 2>&1 --help | grep  >/dev/null "\-\-verbose"; \
-       if test "$(?)" = "0"; then \
+       if test "$$?" = "0"; then \
          if test "x$(V)" = "x1"; then \
            mkpdf_options="$$mkpdf_options --verbose"; \
          fi; \
diff --git a/gtk-doc.notmpl.make b/gtk-doc.notmpl.make
index 19ec264..9ccd0b0 100644
--- a/gtk-doc.notmpl.make
+++ b/gtk-doc.notmpl.make
@@ -119,7 +119,7 @@ scan-build.stamp: setup-build.stamp $(HFILE_GLOB) $(CFILE_GLOB)
        $(GTK_DOC_V_INTROSPECT)if grep -l '^..*$$' $(DOC_MODULE).types > /dev/null 2>&1 ; then \
            scanobj_options=""; \
            gtkdoc-scangobj 2>&1 --help | grep  >/dev/null "\-\-verbose"; \
-           if test "$(?)" = "0"; then \
+           if test "$$?" = "0"; then \
                if test "x$(V)" = "x1"; then \
                    scanobj_options="--verbose"; \
                fi; \
@@ -167,13 +167,13 @@ html-build.stamp: sgml.stamp $(DOC_MAIN_SGML_FILE) $(content_files) $(expand_con
        $(GTK_DOC_V_HTML)rm -rf html && mkdir html && \
        mkhtml_options=""; \
        gtkdoc-mkhtml 2>&1 --help | grep  >/dev/null "\-\-verbose"; \
-       if test "$(?)" = "0"; then \
+       if test "$$?" = "0"; then \
          if test "x$(V)" = "x1"; then \
            mkhtml_options="$$mkhtml_options --verbose"; \
          fi; \
        fi; \
        gtkdoc-mkhtml 2>&1 --help | grep  >/dev/null "\-\-path"; \
-       if test "$(?)" = "0"; then \
+       if test "$$?" = "0"; then \
          mkhtml_options="$$mkhtml_options --path=\"$(abs_srcdir)\""; \
        fi; \
        cd html && gtkdoc-mkhtml $$mkhtml_options $(MKHTML_OPTIONS) $(DOC_MODULE) ../$(DOC_MAIN_SGML_FILE)
@@ -199,7 +199,7 @@ pdf-build.stamp: sgml.stamp $(DOC_MAIN_SGML_FILE) $(content_files) $(expand_cont
        $(GTK_DOC_V_PDF)rm -f $(DOC_MODULE).pdf && \
        mkpdf_options=""; \
        gtkdoc-mkpdf 2>&1 --help | grep  >/dev/null "\-\-verbose"; \
-       if test "$(?)" = "0"; then \
+       if test "$$?" = "0"; then \
          if test "x$(V)" = "x1"; then \
            mkpdf_options="$$mkpdf_options --verbose"; \
          fi; \