0f569f5900
By using the special "ar" and "ranlib" tools, the symbol table is made visible, so we don't need fat LTO binaries. Since we need to store the new tool names, we may as well clean up ltcg.prf with variable names for the fat mode too. Change-Id: I7e53af0c74a3d069313f38500b72538af1d61128 Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
35 lines
1.3 KiB
Plaintext
35 lines
1.3 KiB
Plaintext
CONFIG(release, debug|release) {
|
|
# We need fat object files when creating static libraries on some platforms
|
|
# so the linker will know to load a particular object from the library
|
|
# in the first place. On others, we have special ar and nm to create the symbol
|
|
# tables so the linker will know better. For other compilers, we disable LTCG
|
|
# for static libraries.
|
|
msvc {
|
|
# Nothing to do
|
|
} else {
|
|
!isEmpty(QMAKE_AR_LTCG): QMAKE_AR = $$QMAKE_AR_LTCG
|
|
!isEmpty(QMAKE_NM_LTCG): QMAKE_NM = $$QMAKE_NM_LTCG
|
|
|
|
equals(QMAKE_RANLIB_LTCG, true): QMAKE_RANLIB =
|
|
else: !isEmpty(QMAKE_RANLIB_LTCG): QMAKE_RANLIB = $$QMAKE_RANLIB_LTCG
|
|
|
|
static:isEmpty(QMAKE_AR_LTCG):isEmpty(QMAKE_RANLIB_LTCG) {
|
|
# We don't know how to create symbol tables for static libs with this
|
|
# compiler, so disable LTCG
|
|
QMAKE_CFLAGS_LTCG =
|
|
QMAKE_CXXFLAGS_LTCG =
|
|
QMAKE_LFLAGS_LTCG =
|
|
}
|
|
}
|
|
|
|
fat-lto {
|
|
QMAKE_CFLAGS_LTCG += $$QMAKE_CFLAGS_LTCG_FATOBJECTS
|
|
QMAKE_CXXFLAGS_LTCG += $$QMAKE_CXXFLAGS_LTCG_FATOBJECTS
|
|
}
|
|
|
|
load(link_ltcg)
|
|
QMAKE_CFLAGS *= $$QMAKE_CFLAGS_LTCG
|
|
QMAKE_CXXFLAGS *= $$QMAKE_CXXFLAGS_LTCG
|
|
QMAKE_LFLAGS *= $$QMAKE_LFLAGS_LTCG
|
|
}
|