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A prefix for default library/include search paths 

This patch is useful for cross compilers. Without this patch tcc
tries to use the host's libraries, crt*.o and include files.
The patch prepends a string to all default paths. The string can
be passed to configure with --sysroot=string.

  Daniel
This commit is contained in:
Daniel Glöckner 2008-09-05 21:08:22 +02:00 committed by grischka
parent e8039673ad
commit 256f6e6200
2 changed files with 12 additions and 6 deletions
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6
configure vendored
View File

@ -26,6 +26,7 @@ libdir=""
tccdir=""
includedir=""
mandir=""
sysroot=""
cross_prefix=""
cc="gcc"
host_cc="gcc"
@ -102,6 +103,8 @@ for opt do
;;
--mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
;;
--sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
;;
--source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
;;
--cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
@ -218,6 +221,7 @@ echo ""
echo "Advanced options (experts only):"
echo " --source-path=PATH path of source code [$source_path]"
echo " --cross-prefix=PREFIX use PREFIX for compile tools [$cross_prefix]"
echo " --sysroot=PREFIX prepend PREFIX to library/include paths []"
echo " --cc=CC use C compiler CC [$cc]"
echo " --make=MAKE use specified make [$make]"
echo ""
@ -267,6 +271,7 @@ echo "Library directory $libdir"
echo "Include directory $includedir"
echo "Manual directory $mandir"
echo "Doc directory $docdir"
echo "Target root prefix $sysroot"
echo "Source path $source_path"
echo "C compiler $cc"
echo "make $make"
@ -287,6 +292,7 @@ echo "libdir=$libdir" >> config.mak
echo "includedir=$includedir" >> config.mak
echo "mandir=$mandir" >> config.mak
echo "docdir=$docdir" >> config.mak
echo "#define CONFIG_SYSROOT \"$sysroot\"" >> $TMPH
echo "#define CONFIG_TCCDIR \"$tccdir\"" >> $TMPH
echo "MAKE=$make" >> config.mak
echo "CC=$cc" >> config.mak

12
tcc.c
View File

@ -113,7 +113,7 @@ typedef int BOOL;
/* path to find crt1.o, crti.o and crtn.o. Only needed when generating
executables or dlls */
#define CONFIG_TCC_CRT_PREFIX "/usr/lib"
#define CONFIG_TCC_CRT_PREFIX CONFIG_SYSROOT "/usr/lib"
#define INCLUDE_STACK_SIZE 32
#define IFDEF_STACK_SIZE 64
@ -10190,9 +10190,9 @@ TCCState *tcc_new(void)
#ifndef TCC_TARGET_PE
/* default library paths */
tcc_add_library_path(s, "/usr/local/lib");
tcc_add_library_path(s, "/usr/lib");
tcc_add_library_path(s, "/lib");
tcc_add_library_path(s, CONFIG_SYSROOT "/usr/local/lib");
tcc_add_library_path(s, CONFIG_SYSROOT "/usr/lib");
tcc_add_library_path(s, CONFIG_SYSROOT "/lib");
#endif
/* no section zero */
@ -10469,8 +10469,8 @@ int tcc_set_output_type(TCCState *s, int output_type)
/* default include paths */
/* XXX: reverse order needed if -isystem support */
#ifndef TCC_TARGET_PE
tcc_add_sysinclude_path(s, "/usr/local/include");
tcc_add_sysinclude_path(s, "/usr/include");
tcc_add_sysinclude_path(s, CONFIG_SYSROOT "/usr/local/include");
tcc_add_sysinclude_path(s, CONFIG_SYSROOT "/usr/include");
#endif
snprintf(buf, sizeof(buf), "%s/include", tcc_lib_path);
tcc_add_sysinclude_path(s, buf);