From 2c1cd2399a237db968a521cdaef3d47a3fb2c2e9 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Mon, 10 Sep 2012 15:30:52 -0400 Subject: [PATCH] add LIBCC (compiler runtime) logic and override to configure this should both fix the issue with ARM needing -lgcc_eh (although that's really a bug in the libgcc build process that's causing considerable bloat, which should be fixed) and make it easier to build musl using clang/llvm in place of gcc. unfortunately I don't know a good way to detect and support pcc's -lpcc since it's not in pcc's default library search path... --- configure | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/configure b/configure index 4e3931c1..93518a7d 100755 --- a/configure +++ b/configure @@ -34,6 +34,7 @@ Some influential environment variables: CC C compiler command [detected] CFLAGS C compiler flags [-Os -pipe ...] CROSS_COMPILE prefix for cross compiler and tools [none] + LIBCC compiler runtime library [detected] Use these variables to override the choices made by configure. @@ -128,6 +129,7 @@ CFLAGS=*) CFLAGS=${arg#*=} ;; CPPFLAGS=*) CPPFLAGS=${arg#*=} ;; LDFLAGS=*) LDFLAGS=${arg#*=} ;; CROSS_COMPILE=*) CROSS_COMPILE=${arg#*=} ;; +LIBCC=*) LIBCC=${arg#*=} ;; *=*) ;; *) target=$arg ;; esac @@ -286,6 +288,10 @@ printf "warning: disabling dynamic linking support\n" shared=no } +# Find compiler runtime library +test -z "$LIBCC" && tryldflag LIBCC -lgcc && tryldflag LIBCC -lgcc_eh +test -z "$LIBCC" && tryldflag LIBCC -lcompiler_rt +printf "using compiler runtime libraries: %s\n" "$LIBCC" printf "creating config.mak... " @@ -309,6 +315,7 @@ CFLAGS_C99FSE = $CFLAGS_C99FSE CPPFLAGS = $CPPFLAGS LDFLAGS = $LDFLAGS_AUTO $LDFLAGS CROSS_COMPILE = $CROSS_COMPILE +LIBCC = $LIBCC EOF test "x$static" = xno && echo "STATIC_LIBS =" test "x$shared" = xno && echo "SHARED_LIBS =" -- 2.25.1