Build: don't check gcc version numbers with clang

[lilypond.git] / configure.in

diff --git a/configure.in b/configure.in
index f7638ad389e4b837a314fde6f2c39cdb6d809a3f..74a27bbfa8a29bdbc0e2ba83f56cddaa4e48f725 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -91,10 +91,14 @@ AC_MSG_RESULT($NCSB_SOURCE_FILES)
 AC_LANG([C++])
 
 STEPMAKE_PYTHON(REQUIRED, 2.4)
-STEPMAKE_GCC(REQUIRED, 3.4)
+# this checks if we have GNU C by compiling a program with
+# __GNUC__, but that macro now unofficially means "the compiler
+# supports the GNU C extensions" -- the intel C compiler and clang
+# both support __GNUC__!
+STEPMAKE_GCC_OR_CLANG(REQUIRED, 3.4)
 
 STEPMAKE_CXX(REQUIRED)
-STEPMAKE_GXX(REQUIRED, 3.4)
+STEPMAKE_GXX_OR_CLANG(REQUIRED, 3.4)
 STEPMAKE_CXXTEMPLATE
 STEPMAKE_STL_DATA_METHOD
 STEPMAKE_LIB(REQUIRED)