Remove unnecessary -lm

bin/x86_64-unknown-redox-llvm-config

@@ -111,7 +111,7 @@ elif args == ["--ldflags"]:
 elif args == ["--libdir"]:
     print(prefix + "/lib")
 elif args == ["--system-libs"]:
-    print("-lpthread -lm")
+    print("")
 elif args == ["--targets-built"]:
     print("X86")
 elif args[0] == "--libs":

recipes/cairodemo/recipe.sh

@@ -21,7 +21,7 @@ function recipe_build {
     export LDFLAGS="-L$sysroot/lib"
     export CPPFLAGS="-I$sysroot/include"
     set -x
-    "${CXX}" -I "$sysroot/include" -L "$sysroot/lib" cairodemo.c -o cairodemo -lorbital -lcairo -lpixman-1 -lfreetype -lpng -lz -lm
+    "${CXX}" -I "$sysroot/include" -L "$sysroot/lib" cairodemo.c -o cairodemo -lorbital -lcairo -lpixman-1 -lfreetype -lpng -lz
     set +x
     skip=1
 }

recipes/newlibtest/recipe.sh

@@ -15,7 +15,7 @@ function recipe_build {
     sysroot="$(realpath ../sysroot)"
     export CFLAGS="-static -nostdinc -I $sysroot/include -I /usr/lib/gcc/x86_64-unknown-redox/7.0.1/include/ -nostdlib -L $sysroot/lib"
     export CRT="$sysroot/lib/crt0.o"
-    export CLIBS="-lc -lm"
+    export CLIBS="-lc"
     make all -j"$(nproc)"
     skip=1
 }

recipes/perl/recipe.sh

@@ -22,7 +22,7 @@ function recipe_build {
     sed -i "s/^#define Netdb_name_t.*/#define Netdb_name_t const char*/" config.h # XXX
     sed -i 's/#define Strerror(e).*$/#define Strerror(e) strerror(e)/' config.h #
     echo "#define HAS_VPRINTF" >> config.h
-    make LIBS=-lm -j"$(nproc)"
+    make -j"$(nproc)"
     skip=1
 }