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configure & build: Rework legacy GCC detection to parse versions outside of Jam.

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Jam comparison logic is string-based, and so was detecting GCC >= 10
as being < 2. This rectifies that by removing the GCC version parsing
from Jam logic entirely, and setting various BuildConfig variables
instead.

Change-Id: I0c0ae3b9002fb5e77f9ca7a78600c91871657f03
Reviewed-on: https://review.haiku-os.org/c/haiku/+/3293
Reviewed-by: Adrien Destugues <[email protected]>
Reviewed-by: Jérôme Duval <[email protected]>
Reviewed-by: Alex von Gluck IV <[email protected]>
This commit is contained in:
Augustin Cavalier
2020-10-09 01:20:02 +00:00
committed by Alex von Gluck IV
parent a3f0a36a79
commit 47320dd0ab
19 changed files with 54 additions and 74 deletions
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build/jam/HelperRules
+1 -29
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@@ -208,40 +208,12 @@ rule SetPlatformCompatibilityFlagVariables
?= $($(varPrefix)_PLATFORM_HAIKU_COMPATIBLE) ;
}
rule FAnalyzeGCCVersion
{
# FAnalyzeGCCVersion <rawVersionVariable> ;
#
local varName = $(1) ;
local rawVersion = $($(varName)) ;
if ! $(rawVersion) {
ECHO "Variable $(varName) not set. Please run ./configure or" ;
EXIT "specify it manually." ;
}
local version = ;
# split the raw version string at `.' and `-' characters
while $(rawVersion) {
local split = [ Match "([^.-]*)[.-](.*)" : $(rawVersion) ] ;
if $(split) {
version += $(split[1]) ;
rawVersion = $(split[2]) ;
} else {
version += $(rawVersion) ;
rawVersion = ;
}
}
return $(version) ;
}
rule SetIncludePropertiesVariables prefix : suffix
{
# SetIncludePropertiesVariables <prefix> : <suffix> ;
#
suffix = $(suffix:E=) ;
if $($(prefix)_GCC_VERSION$(suffix)[1]) < 4 {
if $($(prefix)_CC_IS_LEGACY_GCC$(suffix)) {
$(prefix)_INCLUDES_SEPARATOR$(suffix) = -I- ;
$(prefix)_LOCAL_INCLUDES_OPTION$(suffix) = -I ;
$(prefix)_SYSTEM_INCLUDES_OPTION$(suffix) = -I ;