[gcc r11-7815] Fix installation of the jit header files

[gcc r11-7815] Fix installation of the jit header files

[Matthias Klose]

https://gcc.gnu.org/g:70b738f96812c369b836d9a5bc5472f4634518bb

commit r11-7815-g70b738f96812c369b836d9a5bc5472f4634518bb
Author: Matthias Klose <doko@ubuntu.com>
Date:   Wed Mar 24 12:28:21 2021 +0000

    Fix installation of the jit header files
    
    gcc/jit/
    
    2021-03-24  Matthias Klose  <doko@ubuntu.com>
    
            * Make-lang.in (jit.sphinx.html, jit.sphinx.pdf): Use $(mkinstalldirs),
            (jit.install-headers): Depend on installdirs.

Diff:
---
 gcc/jit/Make-lang.in | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/gcc/jit/Make-lang.in b/gcc/jit/Make-lang.in
index f9b0df850bd..663772aba63 100644
--- a/gcc/jit/Make-lang.in
+++ b/gcc/jit/Make-lang.in
@@ -249,7 +249,7 @@ jit.texinfo.install-pdf: doc/libgccjit.pdf
 SPHINX_BUILD_DIR=jit/sphinx-build
 
 jit.sphinx.html:
-	mkdir -p $(SPHINX_BUILD_DIR)
+	$(mkinstalldirs) $(SPHINX_BUILD_DIR)
 	(cd $(srcdir)/jit/docs && \
 	  make html BUILDDIR=$(PWD)/$(SPHINX_BUILD_DIR) )
 
@@ -270,7 +270,7 @@ jit.sphinx.install-html: jit.sphinx.html
 # see https://bugzilla.redhat.com/show_bug.cgi?id=1148845 )
 jit.sphinx.pdf: $(SPHINX_BUILD_DIR)/latex/libgccjit.pdf
 $(SPHINX_BUILD_DIR)/latex/libgccjit.pdf:
-	mkdir -p $(SPHINX_BUILD_DIR)
+	$(mkinstalldirs) $(SPHINX_BUILD_DIR)
 	(cd $(srcdir)/jit/docs && \
 	  make latexpdf BUILDDIR=$(PWD)/$(SPHINX_BUILD_DIR) )
 
@@ -305,7 +305,7 @@ selftest-jit:
 
 #\f
 # Install hooks:
-jit.install-headers:
+jit.install-headers: installdirs
 	$(INSTALL_DATA) $(srcdir)/jit/libgccjit.h \
 	  $(DESTDIR)$(includedir)/libgccjit.h
 	$(INSTALL_DATA) $(srcdir)/jit/libgccjit++.h \