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-rw-r--r--math/Makefile2
-rw-r--r--math/libm.map9
-rw-r--r--math/math.h9
3 files changed, 17 insertions, 3 deletions
diff --git a/math/Makefile b/math/Makefile
index e0c295b123..fbbcad6ea9 100644
--- a/math/Makefile
+++ b/math/Makefile
@@ -36,6 +36,8 @@ aux := fpu_control setfpucw
extra-libs := libm
extra-libs-others = $(extra-libs)
+libm-map := libm.map
+
libm-support = k_standard s_lib_version s_matherr s_signgam \
s_rinttol s_rinttoll s_roundtol s_roundtoll \
fclrexcpt fgetexcptflg fraiseexcpt fsetexcptflg \
diff --git a/math/libm.map b/math/libm.map
new file mode 100644
index 0000000000..205578d2c2
--- /dev/null
+++ b/math/libm.map
@@ -0,0 +1,9 @@
+GLIBC_2.0 {
+ global:
+ # all functions and variables in the normal name space
+ a*; b*; c*; d*; e*; f*; g*; h*; i*; j*; k*; l*; m*;
+ n*; o*; p*; q*; r*; s*; t*; u*; v*; w*; x*; y*; z*;
+
+ local:
+ *;
+};
diff --git a/math/math.h b/math/math.h
index bf3ef9bcee..5229a020e0 100644
--- a/math/math.h
+++ b/math/math.h
@@ -300,17 +300,20 @@ extern int matherr __P ((struct exception *));
#define M_SQRT2 _Mldbl(1.41421356237309504880) /* sqrt(2) */
#define M_SQRT1_2 _Mldbl(0.70710678118654752440) /* 1/sqrt(2) */
+#endif
+
/* Our constants might specify more precision than `double' can represent.
Use `long double' constants in standard and GNU C, where they are
- supported and the cast to `double'. */
+ supported and the cast to `double'.
+
+ Please not we define the macro even if the constants are not defined.
+ This helps us to use the macros in other places. */
#if __STDC__ - 0 || __GNUC__ - 0
#define _Mldbl(x) x##L
#else /* Traditional C. */
#define _Mldbl(x) x
#endif /* Standard or GNU C. */
-#endif
-
/* Get machine-dependent inline versions (if there are any). */
#if (!defined __NO_MATH_INLINES && defined __OPTIMIZE__) \