diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 38 |
1 files changed, 25 insertions, 13 deletions
diff --git a/configure.ac b/configure.ac index 85393d03..d9d45837 100644 --- a/configure.ac +++ b/configure.ac @@ -23,12 +23,6 @@ AC_USE_SYSTEM_EXTENSIONS AC_SYS_LARGEFILE AC_PROG_CC AC_PROG_CC_STDC -AC_PROG_LN_S -AC_PROG_MAKE_SET -AC_PROG_INSTALL -AC_PROG_MKDIR_P - -pa_no_optimize=false dnl If the user did not specify a CFLAGS default, change default dnl to -O0 for debugging @@ -36,6 +30,19 @@ PA_ARG_DISABLED([optimization], [compile without optimization (-O0) to help debugging], [pa_no_optimize=true]) +dnl LLVM doesn't error out on invalid -W options unless this option is +dnl specified first. Enable this so this script can actually discover +dnl which -W options are possible for this compiler. +PA_ADD_CFLAGS([-Werror=unknown-warning-option]) + +dnl Other programs +AC_PROG_LN_S +AC_PROG_MAKE_SET +AC_PROG_INSTALL +AC_PROG_MKDIR_P + +pa_no_optimize=false + dnl Compile and link with dwarf debug PA_ARG_ENABLED([gdb], [disable optimization and compile with extra debug information for GDB debugger], @@ -282,6 +289,7 @@ PA_FUNC_ATTRIBUTE(format, [printf,1,2], int, [const char *, ...], ["%d",1]) PA_FUNC_ATTRIBUTE(const) PA_FUNC_ATTRIBUTE(pure) PA_FUNC_ATTRIBUTE(cold,,,,,unlikely_func) +PA_FUNC_ATTRIBUTE(unused) PA_FUNC_ATTRIBUTE_ERROR dnl @@ -320,22 +328,25 @@ PA_ARG_ENABLED([sanitizer], dnl dnl Don't make symbols visible, there is no point and it just -dnl makes the code slower. +dnl makes the code slower. This mainly affects ELF. dnl PA_ADD_CFLAGS([-fvisibility=hidden]) -dnl If we have gcc, add appropriate code cleanliness options +dnl +dnl If we have gcc, add appropriate code cleanliness options. Do this +dnl here at the end, because configure relies on being able to use +dnl some very, very old C constructs. +dnl PA_ADD_CFLAGS([-Wall]) PA_ARG_DISABLED([pedantic], [disable some extra paranoid compiler warnings], [], [PA_ADD_CFLAGS([-W]) PA_ADD_CFLAGS([-pedantic]) - PA_ADD_CFLAGS([-Wc90-c99-compat])]) -dnl LLVM doesn't error out on invalid -W options unless this option is -dnl specified first. Enable this so this script can actually discover -dnl which -W options are possible for this compiler. -PA_ADD_CFLAGS([-Werror=unknown-warning-option]) + PA_ADD_CFLAGS([-Wc90-c99-compat]) + PA_ADD_CFLAGS([-Wc99-compat]) + PA_ADD_CFLAGS([-Wc99-extensions]) +]) dnl Suppress format warning on Windows targets due to their <inttypes.h> PA_ADD_CFLAGS([-Wpedantic-ms-format],[-Wno-pedantic-ms-format]) PA_ADD_CFLAGS([-Wlong-long],[-Wno-long-long]) @@ -347,6 +358,7 @@ dnl on compilers with gcc-like command line syntax we pass the -fwrapv dnl option for exactly that reason. PA_ADD_CFLAGS([-Wshift-negative-value],[-Wno-shift-negative-value]) +dnl Want to turn this on at some point... dnl PA_ADD_CFLAGS([-Wwrite-strings]) PA_ARG_ENABLED([werror], [compile with -Werror to error out on any warning], |