[nongnu] elpa/emacsql a118b6c95a 381/427: Don't use -lm flag on Windows (#55)

[ELPA Syncer]

branch: elpa/emacsql
commit a118b6c95af1306f0288a383d274b5dd93efbbda
Author: Christopher Wellons <wellons@nullprogram.com>
Commit: Christopher Wellons <wellons@nullprogram.com>

    Don't use -lm flag on Windows (#55)
    
    No C implementation on Windows actually has a math library separate from
    the standard library. Mingw-w64 has an empty stub for compatilibilty.
---
 emacsql-sqlite.el | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/emacsql-sqlite.el b/emacsql-sqlite.el
index 584da8d437..b14d1ac52b 100644
--- a/emacsql-sqlite.el
+++ b/emacsql-sqlite.el
@@ -165,9 +165,10 @@ If called with non-nil ASYNC the return value is 
meaningless."
          (files (mapcar (lambda (f) (expand-file-name f src))
                         '("sqlite3.c" "emacsql.c")))
          (cflags (list (format "-I%s" src) (format "-O%d" (or o-level 2))))
-         (ldlibs (if (memq system-type '(windows-nt berkeley-unix))
-                     (list "-lm")
-                   (list "-lm" "-ldl")))
+         (ldlibs (cl-case system-type
+                   (windows-nt (list))
+                   (berkeley-unix (list "-lm"))
+                   (otherwise (list "-lm" "-ldl"))))
          (options (emacsql-sqlite-compile-switches))
          (output (list "-o" emacsql-sqlite-executable))
          (arguments (nconc cflags options files ldlibs output)))