gh-98636: Fix detecting gdbm_compat for _dbm module

Fix the gdbm_compat library detection logic to set have_gdbm_compat=yes, as expected by `--with-dbmliborder=` handler. This fixes the build failure with `--with-dbmliborder=gdbm`, and implicit fallback to ndbm with the default value.
python · Oct 25, 2022 · 896c212 · 896c212
1 parent 286549b
commit 896c212
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Showing 4 changed files with 16 additions and 2 deletions.
diff --git a/Misc/ACKS b/Misc/ACKS
@@ -640,6 +640,7 @@ Tiago Gonçalves
 Chris Gonnerman
 Shelley Gooch
 David Goodger
+Michał Górny
 Elliot Gorokhovsky
 Hans de Graaff
 Tim Graham

diff --git a/Misc/NEWS.d/next/Build/2022-10-25-11-53-55.gh-issue-98636.e0RPAr.rst b/Misc/NEWS.d/next/Build/2022-10-25-11-53-55.gh-issue-98636.e0RPAr.rst
@@ -0,0 +1,2 @@
+Fix a regression in detecting ``gdbm_compat`` library for the ``_gdbm``
+module build.
diff --git a/configure b/configure
diff --git a/configure.ac b/configure.ac
@@ -4120,7 +4120,12 @@ AC_CHECK_HEADERS([ndbm.h], [
 
 AC_MSG_CHECKING([for ndbm presence and linker args])
 AS_CASE([$ac_cv_search_dbm_open],
-  [*ndbm*|*gdbm_compat*], [
+  [*gdbm_compat*], [
+    dbm_ndbm="$ac_cv_search_dbm_open"
+    have_gdbm_compat=yes
+    have_ndbm=yes
+  ],
+  [*ndbm*], [
     dbm_ndbm="$ac_cv_search_dbm_open"
     have_ndbm=yes
   ],
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		Fix a regression in detecting ``gdbm_compat`` library for the ``_gdbm``
		module build.