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| author | Explorer09 <explorer09@gmail.com> | 2016-10-31 21:15:41 +0800 |
|---|---|---|
| committer | Will Estes <westes575@gmail.com> | 2016-11-14 14:23:27 -0500 |
| commit | 5d71e9ffb98e3ed719b5bf7ed2c52d8b6f26e65f (patch) | |
| tree | 2de82bdcae6468ec7e94a72ca929685b9a24d45c | |
| parent | 347652c32b4614995acd4ee0d686499da2070d9e (diff) | |
| download | flex-git-5d71e9ffb98e3ed719b5bf7ed2c52d8b6f26e65f.tar.gz | |
build: Add --disable-libfl configure option.
Disabling libfl is useful when building flex for a cross-toolchain.
Fixes: GH-99
| -rw-r--r-- | configure.ac | 6 | ||||
| -rw-r--r-- | src/Makefile.am | 16 |
2 files changed, 14 insertions, 8 deletions
diff --git a/configure.ac b/configure.ac index 75fa9d5..362740a 100644 --- a/configure.ac +++ b/configure.ac @@ -60,6 +60,12 @@ AC_ARG_ENABLE([warnings], AC_SUBST([WARNINGFLAGS]) +AC_ARG_ENABLE([libfl], + [AS_HELP_STRING([--disable-libfl], + [do not build -lfl runtime support library])], + [], [enable_libfl=yes]) +AM_CONDITIONAL([ENABLE_LIBFL], [test "$enable_libfl" = yes]) + AC_PATH_PROG([BISON], bison, no) AS_IF([test "$BISON" != no],[], [ AC_SUBST([BISON], [\${top_srcdir}/build-aux/missing bison]) diff --git a/src/Makefile.am b/src/Makefile.am index ffc9d2e..3abc1e4 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -7,8 +7,14 @@ m4 = @M4@ bin_PROGRAMS = flex noinst_PROGRAMS = stage1flex -lib_LTLIBRARIES = \ - libfl.la + +if ENABLE_LIBFL +lib_LTLIBRARIES = libfl.la +libfl_la_SOURCES = \ + libmain.c \ + libyywrap.c +libfl_la_LDFLAGS = -version-info @SHARED_VERSION_INFO@ +endif stage1flex_SOURCES = \ scan.l \ @@ -55,12 +61,6 @@ COMMON_SOURCES = \ LDADD = ../lib/libcompat.la @LIBINTL@ -libfl_la_SOURCES = \ - libmain.c \ - libyywrap.c - -libfl_la_LDFLAGS = -version-info @SHARED_VERSION_INFO@ - include_HEADERS = \ FlexLexer.h |